The first 3 terms in the expansion of (1 ax) n are 1 24x 384x 2 a Find the value of a and the value of n b Hence find the term in x 3 ...

ANSWER a We can use the binomial expansion formula to writ ...

The first 3 terms in the expansion of (1 + ax) n are 1 24x +

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The first 3 terms in the expansion of (1 + ax)ⁿ are 1 − 24x + 384x².

a. Find the value of a and the value of n.
b. Hence find the term in x³.

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Cambridge International AS & A Level Mathematics Pure Mathematics 2 & 3 Coursebook

ISBN: 9781108407199

1st Edition

Authors: Sue Pemberton, Julianne Hughes, Julian Gilbey

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Question Posted: Apr 05, 2023 11:08 AM

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The first 3 terms in the expansion of (1 + ax) n are 1 24x +

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Cambridge International AS & A Level Mathematics Pure Mathematics 2 & 3 Coursebook

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