a. Find the first three terms in the expansion of (3 2x) 7 , in ascending
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a. Find the first three terms in the expansion of (3 − 2x)7, in ascending powers of x.
b. Find the coefficient of x2 in the expansion of (1 + 5x)(3 − 2x)7.
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a Using the binomial theorem expand 3 2x7 as 3 2x7 C70 37 2x0 C71 3...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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