Find the coefficient of x 3 in each of the following expansions. a. (1 x) 9
Question:
Find the coefficient of x3 in each of the following expansions.
a. (1 − x)9
b. (1 + 3x)12
c.
d.
Transcribed Image Text:
X 2+ 4 7
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a 1 x9 Using the binomial theorem the expansion of 1 x9 is 1 x9 1 9x 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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