The coefficient of x in the expansion of (1 x 2) 5 (a x) 4 is 2a where a 0 Find a ...

ANSWER We can expand the first expression using the binomial theorem 1x25 1 5x2 25x216 ...

The coefficient of x in the expansion of (1 x/2) 5 (a + x) 4 is

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The coefficient of x² in the expansion of (1− x/2)⁵ − (a + x)⁴ is 2a where a > 0. Find a.

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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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The coefficient of x in the expansion of (1 x/2) 5 (a + x) 4 is

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ANSWER We can expand the first expression using the binomial theorem 1x25 1 5x2 25x216 ...View the full answer

Complete Pure Mathematics 1 For Cambridge International AS & A Level

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