a Find, in ascending powers of x, the first 3 terms in the expansion of (2 5x) 6 , giving your answer in the form a bx cx 2 , where a, b and c are integers b Find the coefficient of x in the expansion of (2 5x) 6 (1 x 2) 10 ...

a The first 3 terms in the expansion of 2 5x6 are a 26 64 b 30x c 225x2 so ...

a. Find, in ascending powers of x, the first 3 terms in the expansion of (2

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a. Find, in ascending powers of x, the first 3 terms in the expansion of (2 – 5x)⁶, giving your answer in the form a + bx + cx², where a, b and c are integers.

b. Find the coefficient of x in the expansion of (2 – 5x)⁶ (1 + x/2)¹⁰.

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

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Question Posted: Aug 31, 2021 01:08 AM

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a. Find, in ascending powers of x, the first 3 terms in the expansion of (2

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a The first 3 terms in the expansion of 2 5x6 are a 26 64 b 30x c 225x2 so ...View the full answer

Cambridge IGCSE And O Level Additional Mathematics Coursebook

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