a. Give the binomial expansion of (1 + x) 1/2 up to and including the term in
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a. Give the binomial expansion of (1 + x)1/2 up to and including the term in x3.
b. By substituting x = 1/4, find an approximation to √5 as a fraction.
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Related Book For
Pearson Edexcel A Level Mathematics Pure Mathematics Year 2
ISBN: 9781292183404
1st Edition
Authors: Greg Attwood, Jack Barraclough, Ian Bettison, David Goldberg, Alistair Macpherson, Joe Petran
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