a. Find the first 4 terms, in ascending powers of x, of the binomial expansion of (1
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a. Find the first 4 terms, in ascending powers of x, of the binomial expansion of (1 − 3x)5. Give each term in its simplest form.
b. If x is small, so that x2 and higher powers can be ignored, show that (1 + x)(1 −3x)5 ≈ 1 − 14x.
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a To find the first 4 terms in ascending powers of x of the binomial expansion of 1 3x5 we can ...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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