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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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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