Y1 Pure, Chapter 8:

Binomial expansion

Y1 Pure Chp8 KO.pdf

Knowledge organiser

Edexcel AS level - P1 Ch8 - Binomial Expansion.pdf

Textbook chapter

Y1 Pure Chp8 Solutions.pdf

PMT solutions

Y1 Pure 8.1

Pascal's triangle

Intro: factorials (n!)

Linking Pascal’s Triangle and nCr

Y1 Pure 8.2

Factorial notation

Explaining where nCr comes from

Simplifying nCr expressions

Solving nCr equations

Y1 Pure 8.3

Binomial expansion

Expanding (1+x)^n

+D1-09 ( expanding (a+b)^n )

Examples

+ D1-11

Examples with fractions

+D1-13 ( ()^4 )

Y1 Pure 8.4

Solving binomial problems

nCr: Algebraic Problem 1

+D1-07 (alg. problem 2,3)

Find the coefficient of

x^6 in (2 + x)^8

+D1:15-17

Y1 Pure 8.5

Binomial estimation

Approximating 1.03^8 WITHOUT a calculator

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