Find the coefficient of x 4 in the expansion of (1 x)(2x + 1/x) 6 .

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Find the coefficient of x⁴ in the expansion of (1 − x²)(2x + 1/x)⁶.

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Complete Pure Mathematics 1 For Cambridge International AS & A Level

ISBN: 9780198427438

2nd Edition

Authors: Jean Linsky, Brian Western, James Nicholson

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Question Posted: Apr 13, 2023 10:58 AM

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Find the coefficient of x 4 in the expansion of (1 x)(2x + 1/x) 6 .

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Expanding 2x 1x6 using the binomial theorem we get 2...View the full answer

Complete Pure Mathematics 1 For Cambridge International AS & A Level

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