f(x) = (1 3x) 5 a. Expand f(x), in ascending powers of x, up to the
Question:
f(x) = (1 − 3x)5
a. Expand f(x), in ascending powers of x, up to the term in x2. Give each term in its simplest form.
b. Hence find an approximate value for 0.975.
c. State, with a reason, whether your approximation is greater or smaller than the true value.
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a To expand the function fx 1 3x5 we can use the binomial theorem The binomial theorem states that f...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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