Find, in ascending powers of x, the first three terms of each of the following expansions. a.

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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

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Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

ISBN: 9781108407144

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Authors: Sue Pemberton, Julian Gilbey

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Question Posted: Mar 10, 2023 06:35 AM

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a. Find, in ascending powers of x, the first three terms in the expansion of (2 + x) 10 . b. By replacing x with 2y 3y 2 , find the first three terms in the expansion of (2 + 2y 3y 2 )10.
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Find, in ascending powers of x, the first three terms of each of the following expansions. a.

Question:

(1+ +x X 2

Step by Step Answer:

a Using the binomial theorem we have 1x2x7 2x7 x2x7 27 726x 2125x2 3524x3 35...View the full answer

Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

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