Work out the coefficient of x 2 in the expansion of (p 2x) 3 . Give
Question:
Work out the coefficient of x2 in the expansion of (p − 2x)3. Give your answer in terms of p.
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To expand p 2x3 we can use the binomial expansion formula a bn nC0 an b0 nC1 an1 b1 nC...View the full answer
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Related Book For 
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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