Find, in ascending powers of x, the first three terms of each of the following expansions. a.
Question:
Find, in ascending powers of x, the first three terms of each of the following expansions.
a. (1− x )(2 + x)7
b. (1+ 2x)(1 − 3x)10
c.
Transcribed Image Text:
(1+ +x X 2
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a Using the binomial theorem we have 1x2x7 2x7 x2x7 27 726x 2125x2 3524x3 35...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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