a. Expand (x 2 1) 4 . b. Find the coefficient of x 6 in the
Question:
a. Expand (x2 − 1)4 .
b. Find the coefficient of x6 in the expansion of (1 − 2x2)(x2 − 1)4.
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a Using the binomial theorem we can expand x2 14 as x2 14 C40 x24 10 C41 x23 11 C42 x22 12 C43 x21 1...View the full answer
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Related Book For 
Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook
ISBN: 9781108407144
1st Edition
Authors: Sue Pemberton, Julian Gilbey
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