<?xml version='1.0' encoding='UTF-8'?><?xml-stylesheet href="http://www.blogger.com/styles/atom.css" type="text/css"?><feed xmlns='http://www.w3.org/2005/Atom' xmlns:openSearch='http://a9.com/-/spec/opensearchrss/1.0/' xmlns:blogger='http://schemas.google.com/blogger/2008' xmlns:georss='http://www.georss.org/georss' xmlns:gd="http://schemas.google.com/g/2005" xmlns:thr='http://purl.org/syndication/thread/1.0'><id>tag:blogger.com,1999:blog-8049426567264009838</id><updated>2025-08-02T08:51:01.547-07:00</updated><category term="differentiation"/><category term="equation"/><category term="integration"/><category term="progression"/><category term="aix of symmetry"/><category term="arc length"/><category term="area between two graphs"/><category term="area of sector"/><category term="arithmetic"/><category term="binomial"/><category term="circular arc"/><category term="coefficient"/><category term="common difference"/><category term="completing square"/><category term="composite function"/><category term="cos"/><category term="degree"/><category term="discriminant"/><category term="exact angle"/><category term="exact value"/><category term="expansion"/><category term="geometric"/><category term="graphs"/><category term="inequality"/><category term="infinite"/><category term="normal"/><category term="parabola"/><category term="perpendicular graphs"/><category term="quadratics"/><category term="quartic"/><category term="radian"/><category term="rates of change"/><category term="sequence"/><category term="sequences"/><category term="series"/><category term="simultaneous"/><category term="sin"/><category term="solid of revolution"/><category term="sum of infinity"/><category term="tan"/><category term="tangent"/><category term="term"/><category term="theorem"/><category term="trigo functions"/><category term="trigonometric equation"/><category term="vertex"/><category term="volume ofrevolution"/><title type='text'>Pure Mathematics and Mechanics</title><subtitle type='html'>Pure maths covers advanced mathematics for secondary/ high school and includes much in-depth content common to pre-university courses such as OCR and Edexcel.</subtitle><link rel='http://schemas.google.com/g/2005#feed' type='application/atom+xml' href='http://pure-maths.blogspot.com/feeds/posts/default'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default?redirect=false'/><link rel='alternate' type='text/html' href='http://pure-maths.blogspot.com/'/><link rel='hub' href='http://pubsubhubbub.appspot.com/'/><author><name>frances</name><uri>http://www.blogger.com/profile/09127373693930154851</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><generator version='7.00' uri='http://www.blogger.com'>Blogger</generator><openSearch:totalResults>17</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>25</openSearch:itemsPerPage><entry><id>tag:blogger.com,1999:blog-8049426567264009838.post-7875420659887609322</id><published>2011-03-31T23:58:00.000-07:00</published><updated>2011-03-31T23:58:52.449-07:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="integration"/><category scheme="http://www.blogger.com/atom/ns#" term="solid of revolution"/><category scheme="http://www.blogger.com/atom/ns#" term="volume ofrevolution"/><title type='text'>Volume of Revolution</title><summary type="text">This chapter is about using integration to find the volume of a particular kind of solid, called a solid of revolution, When you have completed it, you should
be able to find a volume of revolution about either the x or y axis.

Examples of how the graphs look like :




When the region under the graph of y = f(x) between x = a and x = b ( where x = -1 and x = 1) is rotated about the x-axis, the </summary><link rel='replies' type='application/atom+xml' href='http://pure-maths.blogspot.com/feeds/7875420659887609322/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://pure-maths.blogspot.com/2011/03/volume-of-revolution.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/7875420659887609322'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/7875420659887609322'/><link rel='alternate' type='text/html' href='http://pure-maths.blogspot.com/2011/03/volume-of-revolution.html' title='Volume of Revolution'/><author><name>frances</name><uri>http://www.blogger.com/profile/09127373693930154851</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhjyrll03fpVY1LS8z_CQZRA0D8doA5FBviSCyfUToHkyTzHNQ3JBi3SkQbBvCewPr79Qv7jSD3cZzLZFTzFuKZyU1B1G4eDtcKKEIMYDBJeadgE3dV1MUm58SjcTUslllXzyV2ZZGoYO9d/s72-c/Area+between+Two+Curves.JPG" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8049426567264009838.post-858485887960288608</id><published>2011-03-31T22:20:00.000-07:00</published><updated>2011-03-31T22:20:40.248-07:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="area between two graphs"/><category scheme="http://www.blogger.com/atom/ns#" term="integration"/><title type='text'>Integration</title><summary type="text">Okay, i will skip the introducing part and go straight to the point. Basically you use integration to find the area and volume. Many of the formulae you have learnt, such as those for the volume of a sphere or a cone, can be proved by using integration. This chapter deals only with areas.

Ex 1 :
Find the area under y=1/x^2 from x = 2 and x = 5.



Some formulaes :







&amp;nbsp;The area between </summary><link rel='replies' type='application/atom+xml' href='http://pure-maths.blogspot.com/feeds/858485887960288608/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://pure-maths.blogspot.com/2011/03/integration.html#comment-form' title='1 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/858485887960288608'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/858485887960288608'/><link rel='alternate' type='text/html' href='http://pure-maths.blogspot.com/2011/03/integration.html' title='Integration'/><author><name>frances</name><uri>http://www.blogger.com/profile/09127373693930154851</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8049426567264009838.post-3392209275402928346</id><published>2011-03-30T21:57:00.000-07:00</published><updated>2011-03-30T22:01:32.498-07:00</updated><title type='text'>April Fool&#39;s Day</title><summary type="text">
Unlike most of the other nonfoolish holidays,  the history of April Fool&#39;s Day, sometimes called All Fool&#39;s Day, is  not totally clear.  It is not like Halloween, where despite an  interesting history, most people just put on Halloween costumes,  get candy, and leave it at that. There really wasn&#39;t a &quot;first April  Fool&#39;s Day&quot; that can be pinpointed on the calendar.  Some believe it  sort of </summary><link rel='replies' type='application/atom+xml' href='http://pure-maths.blogspot.com/feeds/3392209275402928346/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://pure-maths.blogspot.com/2011/03/april-fools-day.html#comment-form' title='3 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/3392209275402928346'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/3392209275402928346'/><link rel='alternate' type='text/html' href='http://pure-maths.blogspot.com/2011/03/april-fools-day.html' title='April Fool&#39;s Day'/><author><name>frances</name><uri>http://www.blogger.com/profile/09127373693930154851</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlrAjBAONx2whUXnbiF5yosGhWqLKPaxDZIVtBAmaV3Ive9wjT6SrZ6LN_HTHicv0jmZZG97OevBuCNrg3Spep84csxORPkJcjWRXsz7-yMZtSVDUwwj8vZC2eXOFQM0DDRfFnAPflsfA3/s72-c/AprilFool.jpg" height="72" width="72"/><thr:total>3</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8049426567264009838.post-8054685188376365742</id><published>2011-03-30T21:38:00.000-07:00</published><updated>2011-03-30T21:38:04.521-07:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="composite function"/><category scheme="http://www.blogger.com/atom/ns#" term="differentiation"/><category scheme="http://www.blogger.com/atom/ns#" term="rates of change"/><title type='text'>Extending Differentiation</title><summary type="text">This chapter is about differentiating composite functions. When you have completed it, you should
1. be able to differentiate composite function of the form f(F(x))
2. be able to apply differentiation to rates of change, and to related rates of change.


Differentiating (ax + b)^n 

Find dy/dx for
(a) y = (2x + 1)^3
(b) y = (1 - 3x)^4








(c) y = √(3x + 2)

(d) y = 1/ 1-2x





Recall that :
</summary><link rel='replies' type='application/atom+xml' href='http://pure-maths.blogspot.com/feeds/8054685188376365742/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://pure-maths.blogspot.com/2011/03/extending-differentiation.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/8054685188376365742'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/8054685188376365742'/><link rel='alternate' type='text/html' href='http://pure-maths.blogspot.com/2011/03/extending-differentiation.html' title='Extending Differentiation'/><author><name>frances</name><uri>http://www.blogger.com/profile/09127373693930154851</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiPyTr_Ncm3kbn0cmyRz2UGzb-yIxjgviSZN5p5VlM88MuIjxhTxsyMEY6o7vHNownicWkoSXJUrm943ck1WxUZq6KXRXz5Darg0bRy7KcS4brHj6Wm72P3fT5gAj87tKqFZeXoVcglspR7/s72-c/extdiff5.png" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8049426567264009838.post-3627704256488731676</id><published>2011-03-28T22:05:00.000-07:00</published><updated>2011-03-30T22:00:30.055-07:00</updated><title type='text'>National Doctors&#39; Day</title><summary type="text">
HistoryThe first Doctors Day observance was March 30, 1933 in Winder,  Georgia. &amp;nbsp;Eudora Brown Almond, wife of Dr. Charles B. Almond, decided to  set aside a day to honor physicians. This first observance included the  mailing greeting cards and placing flowers on graves of deceased  doctors. The red carnation is commonly used as the symbolic flower for  National Doctors Day. 
On March 30, </summary><link rel='replies' type='application/atom+xml' href='http://pure-maths.blogspot.com/feeds/3627704256488731676/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://pure-maths.blogspot.com/2011/03/national-doctors-day.html#comment-form' title='2 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/3627704256488731676'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/3627704256488731676'/><link rel='alternate' type='text/html' href='http://pure-maths.blogspot.com/2011/03/national-doctors-day.html' title='National Doctors&#39; Day'/><author><name>frances</name><uri>http://www.blogger.com/profile/09127373693930154851</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQZVDt-Ilk0W7BrzfXxLy5zb8sL2o2nYDhXz_xaoMVo4590hUvBhtYDKnLshrjWX-do5bO5mDmQGjr3eBRCydkT_AvY4xzOgmH1N7DdBGXxx0NPzXcoeAtYbalr3JdKOZM4HYcTQGGJOvr/s72-c/appleaday.png" height="72" width="72"/><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8049426567264009838.post-222982332754356334</id><published>2011-03-28T07:25:00.000-07:00</published><updated>2011-03-28T07:26:07.498-07:00</updated><title type='text'>Hints For Effective Studying</title><summary type="text">Study Habits
 
Study area - Having a good study area can make a  huge difference to how well you learn. Study in a well lit, quiet area,  away from noises and people in the house. If this is impossible, it  might be better to study at the library. Make sure your desk is tidy and  organised - it means you can concentrate on studying and learning, not  trying to find information.
Find out about the</summary><link rel='replies' type='application/atom+xml' href='http://pure-maths.blogspot.com/feeds/222982332754356334/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://pure-maths.blogspot.com/2011/03/study-habits-study-area-having-good.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/222982332754356334'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/222982332754356334'/><link rel='alternate' type='text/html' href='http://pure-maths.blogspot.com/2011/03/study-habits-study-area-having-good.html' title='Hints For Effective Studying'/><author><name>frances</name><uri>http://www.blogger.com/profile/09127373693930154851</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8049426567264009838.post-8503647741360776641</id><published>2011-03-28T07:23:00.000-07:00</published><updated>2011-03-28T07:23:28.901-07:00</updated><title type='text'>Hints For Managing Stress</title><summary type="text">Exams are a time when stress levels are higher than usual. Stress can be  positive, helping you to stay motivated and focused. However, too much  stress can be unhelpful - it can make you feel overwhelmed, confused,  exhausted and edgy. It&#39;s important to try and keep things in perspective  and find ways of reducing stress if things seem to be getting on top of  you.

Effective study habits - Many</summary><link rel='replies' type='application/atom+xml' href='http://pure-maths.blogspot.com/feeds/8503647741360776641/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://pure-maths.blogspot.com/2011/03/hints-for-managing-stress.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/8503647741360776641'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/8503647741360776641'/><link rel='alternate' type='text/html' href='http://pure-maths.blogspot.com/2011/03/hints-for-managing-stress.html' title='Hints For Managing Stress'/><author><name>frances</name><uri>http://www.blogger.com/profile/09127373693930154851</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8049426567264009838.post-5896679663119169456</id><published>2011-03-28T07:04:00.000-07:00</published><updated>2011-03-28T21:32:32.950-07:00</updated><title type='text'>Syllabuses</title><summary type="text">For UK students  and international students using UK exams (e.g. Cambridge  International).&amp;nbsp;&amp;nbsp;
You should download a copy of your latest syllabus. Syllabuses are  often quite difficult to interpret, so you need to know exactly what  questions your examiners are asking, and how they are marking them.

For The A level Exam Boards:&amp;nbsp;
OCR
Edexcel&amp;nbsp;
AQA 
CIE


Most syllabuses are </summary><link rel='replies' type='application/atom+xml' href='http://pure-maths.blogspot.com/feeds/5896679663119169456/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://pure-maths.blogspot.com/2011/03/syllabuses.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/5896679663119169456'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/5896679663119169456'/><link rel='alternate' type='text/html' href='http://pure-maths.blogspot.com/2011/03/syllabuses.html' title='Syllabuses'/><author><name>frances</name><uri>http://www.blogger.com/profile/09127373693930154851</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8049426567264009838.post-4664767575952911531</id><published>2011-03-28T04:16:00.000-07:00</published><updated>2011-03-28T04:19:38.027-07:00</updated><title type='text'>Useful Links</title><summary type="text">This page  contains some links that I have found useful  or interesting for college students. I will add to it from time to time as I come across new  sites I like.

&amp;nbsp;A level Physics &amp;nbsp;&amp;nbsp; - So far this is the most useful physics link i have came across with.&amp;nbsp;
Chemguide - A highly recommended website for those who taking chemistry A level. However, it did miss out some kinda </summary><link rel='replies' type='application/atom+xml' href='http://pure-maths.blogspot.com/feeds/4664767575952911531/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://pure-maths.blogspot.com/2011/03/useful-links.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/4664767575952911531'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/4664767575952911531'/><link rel='alternate' type='text/html' href='http://pure-maths.blogspot.com/2011/03/useful-links.html' title='Useful Links'/><author><name>frances</name><uri>http://www.blogger.com/profile/09127373693930154851</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8049426567264009838.post-972798140354019665</id><published>2011-03-28T03:37:00.000-07:00</published><updated>2011-03-28T03:37:12.334-07:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="inequality"/><category scheme="http://www.blogger.com/atom/ns#" term="quadratics"/><title type='text'>Inequalities</title><summary type="text">This chapter is about inequality relationships, and how to solve inequalities. When you have completed it, you should
1. know the rules for working with inequality symbols
2. be able to solve linear inequalities
3. be able to solve quadratic inequalties


However, the examiners usually combine inequalities with other topic like quadratics in one question. So make sure you read the quadratics </summary><link rel='replies' type='application/atom+xml' href='http://pure-maths.blogspot.com/feeds/972798140354019665/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://pure-maths.blogspot.com/2011/03/inequalities.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/972798140354019665'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/972798140354019665'/><link rel='alternate' type='text/html' href='http://pure-maths.blogspot.com/2011/03/inequalities.html' title='Inequalities'/><author><name>frances</name><uri>http://www.blogger.com/profile/09127373693930154851</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8049426567264009838.post-2112868757254502274</id><published>2011-03-27T22:50:00.000-07:00</published><updated>2011-03-27T22:50:34.421-07:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="arc length"/><category scheme="http://www.blogger.com/atom/ns#" term="area of sector"/><category scheme="http://www.blogger.com/atom/ns#" term="circular arc"/><category scheme="http://www.blogger.com/atom/ns#" term="degree"/><category scheme="http://www.blogger.com/atom/ns#" term="radian"/><category scheme="http://www.blogger.com/atom/ns#" term="trigonometric equation"/><title type='text'>Radians</title><summary type="text">This chapter introduces radians, an alternative to degrees for measuring angles. When you have completed it, you should
1. know how to convert from degrees to radians and vice versa
2. be able to use the formula rθ for the length of a circular arc, and 1/2r^2θ for the area of a circular sector
3. be able to solve trigonometric equations with roots expressed in radians.





Suppose that you were </summary><link rel='replies' type='application/atom+xml' href='http://pure-maths.blogspot.com/feeds/2112868757254502274/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://pure-maths.blogspot.com/2011/03/radians.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/2112868757254502274'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/2112868757254502274'/><link rel='alternate' type='text/html' href='http://pure-maths.blogspot.com/2011/03/radians.html' title='Radians'/><author><name>frances</name><uri>http://www.blogger.com/profile/09127373693930154851</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEheafKiuoiI6iFqYsUwxbZCvNwgDq3ITU1HsUAakwGTcszZjc1HzbM9JuUvHx-V_meKSdtQvS_tBgvgOqB-r8CiuQCWDOYU4cEKFULiCJDVRjW9uk-6Ab6AGBh3V_BVKe9ggdbfYF8yvGrN/s72-c/rad1.gif" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8049426567264009838.post-8140870120246905501</id><published>2011-03-27T09:26:00.000-07:00</published><updated>2011-03-27T09:26:09.029-07:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="geometric"/><category scheme="http://www.blogger.com/atom/ns#" term="infinite"/><category scheme="http://www.blogger.com/atom/ns#" term="progression"/><category scheme="http://www.blogger.com/atom/ns#" term="sequence"/><category scheme="http://www.blogger.com/atom/ns#" term="series"/><category scheme="http://www.blogger.com/atom/ns#" term="sum of infinity"/><title type='text'>Geometric Sequences</title><summary type="text">A geometric sequence, or geometric progression, is a sequence defined by u1 = a and u i+1 = rui, where r is not equal to 0 or 1.
Examples :

&amp;nbsp;&amp;nbsp; {2, 4, 8, 16, 32} is a geometric term with six terms.
&amp;nbsp;&amp;nbsp; {2, 1, 0.5, 0.25, 0.125, 0.0625, . . .} is an infinite geometric    sequence. 


I will skip the proving parts and jump directly to the formula gained from deriving the equations</summary><link rel='replies' type='application/atom+xml' href='http://pure-maths.blogspot.com/feeds/8140870120246905501/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://pure-maths.blogspot.com/2011/03/geometric-sequences.html#comment-form' title='1 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/8140870120246905501'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/8140870120246905501'/><link rel='alternate' type='text/html' href='http://pure-maths.blogspot.com/2011/03/geometric-sequences.html' title='Geometric Sequences'/><author><name>frances</name><uri>http://www.blogger.com/profile/09127373693930154851</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgtZRKT1s_Mf552Uk8EActUQOARiAVQ6VUFN_B7oPiYmw7xPJu4nx_GoDzcCmoSF61B1pLBdr5yIGXuQExwlaMk0ror25IqJGny6a-vKwQFr1e1_SG6pUDlgPjg3vm_YzJui0pFrUJkL43S/s72-c/geometric_sequence_18.gif" height="72" width="72"/><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8049426567264009838.post-915599166905068049</id><published>2011-03-27T01:58:00.000-07:00</published><updated>2011-03-27T01:58:40.549-07:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="arithmetic"/><category scheme="http://www.blogger.com/atom/ns#" term="common difference"/><category scheme="http://www.blogger.com/atom/ns#" term="progression"/><category scheme="http://www.blogger.com/atom/ns#" term="sequences"/><category scheme="http://www.blogger.com/atom/ns#" term="term"/><title type='text'>Arithmetic Sequences</title><summary type="text">An Arithmetic sequences, or arithmetic progression,is a sequence whose terms go up or down by constant steps.

The inductive definition for an arithmetic sequence has the form : 

&amp;nbsp;where the number d is called the common difference. 

Eg 1: &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp; 1 &amp;nbsp;&amp;nbsp; 3 &amp;nbsp;&amp;nbsp; 5 &amp;nbsp;&amp;nbsp; 7 &amp;nbsp;&amp;nbsp; 9&amp;nbsp; ...
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;</summary><link rel='replies' type='application/atom+xml' href='http://pure-maths.blogspot.com/feeds/915599166905068049/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://pure-maths.blogspot.com/2011/03/arithmetic-sequences.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/915599166905068049'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/915599166905068049'/><link rel='alternate' type='text/html' href='http://pure-maths.blogspot.com/2011/03/arithmetic-sequences.html' title='Arithmetic Sequences'/><author><name>frances</name><uri>http://www.blogger.com/profile/09127373693930154851</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8Dp2PQ9T44hd221jhstm-FXJx4D3v9eief_U0zYnRw1Nwh1Bu1f3Vdilm-uwSUZkyDQoAE2TfKwsn7zEy0X5b9ruO3_8bRjQ-CPga0zkdUdTjTgcg3rTNydeHcb1SnjskfMzdwqTAgDIu/s72-c/Alg1_10_1_25-diagram_thumb.png" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8049426567264009838.post-6037831318023368824</id><published>2011-03-26T02:56:00.000-07:00</published><updated>2011-03-26T23:59:49.393-07:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="differentiation"/><category scheme="http://www.blogger.com/atom/ns#" term="equation"/><category scheme="http://www.blogger.com/atom/ns#" term="normal"/><category scheme="http://www.blogger.com/atom/ns#" term="perpendicular graphs"/><category scheme="http://www.blogger.com/atom/ns#" term="tangent"/><title type='text'>Differentation</title><summary type="text">This chapter is about finding the gradient of the tangent at a point on a graph. When you have completed it, you should be able to 
1. calculate an approximation to the gradient at a point on a curve, given its equation
2. calculate the exact gradient at a point on a quadratic curve and certain other curves
3. find the equations of the tangent and normal to a curve at a point.


I&#39;ll just skip (1</summary><link rel='replies' type='application/atom+xml' href='http://pure-maths.blogspot.com/feeds/6037831318023368824/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://pure-maths.blogspot.com/2011/03/differentation.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/6037831318023368824'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/6037831318023368824'/><link rel='alternate' type='text/html' href='http://pure-maths.blogspot.com/2011/03/differentation.html' title='Differentation'/><author><name>frances</name><uri>http://www.blogger.com/profile/09127373693930154851</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhvBai3fYVjZ9uFsFAjD89nBsmfzwtxuVhXRjWvXEP156YEWY264diEqpYB_1ELTg8NDFC5Z0lfn9V6MzJrITZVT-RqJXME16doure-dduM1GidDiXk7j8yJ4bI6ZcU_hpOgg-EJ8dVjSXq/s72-c/normal_tangent.gif" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8049426567264009838.post-8194209089084523538</id><published>2011-03-25T09:10:00.000-07:00</published><updated>2011-03-25T09:26:12.791-07:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="binomial"/><category scheme="http://www.blogger.com/atom/ns#" term="coefficient"/><category scheme="http://www.blogger.com/atom/ns#" term="expansion"/><category scheme="http://www.blogger.com/atom/ns#" term="theorem"/><title type='text'>The Binomial Theorem</title><summary type="text">This chapter is about the expansion of (x + y)^n, where n is a positive integer (or zero). When you have completed it, you should

1. be able to use Pascal&#39;s triangle to find the expansion of (x + y)^n when n is small.
2. know how to calculate the coefficients in the expansion of (x + y)^n when n is large
3. be able to use notation (n r) *r is below n* in the context of the binomial theorem.

1. </summary><link rel='replies' type='application/atom+xml' href='http://pure-maths.blogspot.com/feeds/8194209089084523538/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://pure-maths.blogspot.com/2011/03/binomial-theorem.html#comment-form' title='1 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/8194209089084523538'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/8194209089084523538'/><link rel='alternate' type='text/html' href='http://pure-maths.blogspot.com/2011/03/binomial-theorem.html' title='The Binomial Theorem'/><author><name>frances</name><uri>http://www.blogger.com/profile/09127373693930154851</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjpRBsVJ-eDMDF8NKxZiSCcwV6rDQki1UUZx2Ru7aUmxTnRX8eAtNMpeL5kXYVey4-dBhMzl1DS17D8tC2w58Wg3IrrWYnx6uuDTzXg1NtSG_5as7WA9Q0SlBjz0EKJixpW31AknmAXLhu_/s72-c/binomailexpn1.png" height="72" width="72"/><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8049426567264009838.post-8525451823488792167</id><published>2011-03-25T01:49:00.000-07:00</published><updated>2011-03-25T06:50:37.461-07:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="aix of symmetry"/><category scheme="http://www.blogger.com/atom/ns#" term="completing square"/><category scheme="http://www.blogger.com/atom/ns#" term="discriminant"/><category scheme="http://www.blogger.com/atom/ns#" term="equation"/><category scheme="http://www.blogger.com/atom/ns#" term="parabola"/><category scheme="http://www.blogger.com/atom/ns#" term="quartic"/><category scheme="http://www.blogger.com/atom/ns#" term="simultaneous"/><category scheme="http://www.blogger.com/atom/ns#" term="vertex"/><title type='text'>Quadratics</title><summary type="text">This chapter is about quadratic expressions of the form ax2 + bx +c and their graphs. When you have completed it, you should1. know how to complete the square in a quadratic expression2. know how to locate the vertex and the axis of symmetry of the quadratic graph y=ax2 + bx +c (under topic functions and graphs)3. be able to solve quadratic equations4. know that the discriminant of the quadratic </summary><link rel='replies' type='application/atom+xml' href='http://pure-maths.blogspot.com/feeds/8525451823488792167/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://pure-maths.blogspot.com/2011/03/quadratics.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/8525451823488792167'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/8525451823488792167'/><link rel='alternate' type='text/html' href='http://pure-maths.blogspot.com/2011/03/quadratics.html' title='Quadratics'/><author><name>frances</name><uri>http://www.blogger.com/profile/09127373693930154851</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgAWVp6O7Ip2TJhMvgFAM9jNLQmXdEwdi85P7CPFhWIDLgz9HNxbZOR-ZsjUNUMOL4HkbbrR8Lb1_ILcEwqUSoA71PoVhGVcGTzoye7OBn79oWnky7QzW3rhY0rvIESWyvnevyVjMnbdGF9/s72-c/4.png" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8049426567264009838.post-3895483982489314683</id><published>2011-03-25T00:23:00.000-07:00</published><updated>2011-03-25T01:46:14.639-07:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="cos"/><category scheme="http://www.blogger.com/atom/ns#" term="exact angle"/><category scheme="http://www.blogger.com/atom/ns#" term="exact value"/><category scheme="http://www.blogger.com/atom/ns#" term="graphs"/><category scheme="http://www.blogger.com/atom/ns#" term="sin"/><category scheme="http://www.blogger.com/atom/ns#" term="tan"/><category scheme="http://www.blogger.com/atom/ns#" term="trigo functions"/><title type='text'>Trigonometry I</title><summary type="text">This chapter develops work on sines, cosines, and tangents. When you have completed it, you should 1. know the shapes of the graphs of sine, cosines, and tangents for all angles.2. know, or be able to find exact values of the sines, cosine and tangent of certain special angles.3. be able to solve simple trigonometric equations.know and able to use identities involving sine θ, cosine θ and tan θ.1</summary><link rel='replies' type='application/atom+xml' href='http://pure-maths.blogspot.com/feeds/3895483982489314683/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://pure-maths.blogspot.com/2011/03/trigonometry-i-ii.html#comment-form' title='1 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/3895483982489314683'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8049426567264009838/posts/default/3895483982489314683'/><link rel='alternate' type='text/html' href='http://pure-maths.blogspot.com/2011/03/trigonometry-i-ii.html' title='Trigonometry I'/><author><name>frances</name><uri>http://www.blogger.com/profile/09127373693930154851</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgNeNC_HIt1tZPVS7bOoCipzg55tYs0r3e_4o86KNGjdq8LjIWk1e6nuKxEWsIm3QCo23xYb6E1g6aCf2hLPTeDOM4gjZy1_xQLPpnRSypHF2X9tU5UoR4H3Lw_SWLbM4GvJm5Y1rNh-kne/s72-c/graph+sin.gif" height="72" width="72"/><thr:total>1</thr:total></entry></feed>