REVISION NOTES

IGCSE Edexcel Further Pure Mathematics

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1.6 The Binomial Series

1.6.1 Use of the binomial series (1 + x)n

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Type 1: Binomial Expansion (n is a positive integer)

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Type 2: Binomial Expansion (n is a negative integer)

When n is a negative integer, none of the (n – r) terms in the coefficient will be equal to zero, so the series will be infinite.

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Type 3: Binomial Expansion (n is a positive fractions)

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Type 3: Binomial Expansion (n is a negative fraction)

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