The first 3 terms in the expansion of (1 + ax) n are 1 24x +
Question:
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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ANSWER a We can use the binomial expansion formula to writ...View the full answer
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Related Book For 
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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