a. Expand (1 2x) 10 in ascending powers of x up to and including the term
Question:
a. Expand (1 − 2x)10 in ascending powers of x up to and including the term in x3, simplifying each coefficient in the expansion.
b. Use your expansion to find an approximation of 0.9810, stating clearly the substitution which you have used for x.
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a To expand 1 2x10 we can use the binomial theorem The binomial theorem states that for any positive ...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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