 # Binomial Expansion Approximations and Estimations

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How to answer questions on Binomial Expansion?

Introduction Infinite series expansion (negative & fractions)
Core 4 - Binomial Expansion (1)
Examples of typical questions (approximations & partial fractions)
Core 4 - Binomial Expansion (2) Binomial Expansion
Edexcel Core Maths C4 June 2010 Q5(b) : ExamSolutions Revision of A level binomial expansions - questions and answers 1
A rapid review of the definition of a binomial expansion followed with some illustrations of how and why the coefficients are what they are? Demonstrates that the coefficients have a prescribed pattern.

Revision of A level binomial expansions - questions and answers 2
This video gives precise definitions or formulae for the coefficients of a binomial expansion. Revision of A level binomial expansions - questions and answers 3
This video presents 4 introductory type questions from A level papers and demonstrates a systematic solution methodology for them. Revision of A level binomial expansions - questions and answers 4
This video presents 4 typical questions from A level papers and demonstrates a systematic solution methodology for solving them. Revision of A level binomial expansions - questions and answers 5
After a very brief reminder of key formulae which will be used, this video presents 4 less typical questions from A level papers and demonstrates a systematic solution methodology for them. [Minor typo in part b of Q4, should ask for q/p.]

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