a. Find the first three terms, in ascending powers of x, in the expansion of: i. (1
Question:
a. Find the first three terms, in ascending powers of x, in the expansion of:
i. (1 + 2x)5
ii. (3 − x)5
b. Find the coefficient of x2 in the expansion of [(1+ 2x)(3 − x)]5.
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Step by Step Answer:
a i Using the binomial expansion formula we have 1 2x5 1 52x 102x2 ...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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