a Find the first three terms in the expansion of (x 3x 2 ) 8 , in descending powers of x b Find the coefficient of x 15 in the expansion of (1 x)(x 3x 2 ) 8 ...

a To find the first three terms in the expansion of x 3x28 use the binomial theorem which states tha ...

a. Find the first three terms in the expansion of (x 3x 2 ) 8 ,

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a. Find the first three terms in the expansion of (x − 3x²)⁸, in descending powers of x.
b. Find the coefficient of x¹⁵ in the expansion of (1 − x)(x − 3x²)⁸.

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Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

ISBN: 9781108407144

1st Edition

Authors: Sue Pemberton, Julian Gilbey

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Question Posted: Mar 10, 2023 06:35 AM

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a. Find the first three terms in the expansion of (x 3x 2 ) 8 ,

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Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

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