In the expansion of (1 + ax) - 1/2 the coefficient of x 2 is 24. a.
Question:
In the expansion of (1 + ax)- 1/2 the coefficient of x2 is 24.
a. Find the possible values of a.
b. Find the corresponding coefficient of the x3 term.
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In the binomial expansion of 1 ax12 the general term is given by Cn r axr 1n r where Cn r is the bin...View the full answer
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Related Book For 
Pearson Edexcel A Level Mathematics Pure Mathematics Year 2
ISBN: 9781292183404
1st Edition
Authors: Greg Attwood, Jack Barraclough, Ian Bettison, David Goldberg, Alistair Macpherson, Joe Petran
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