a. Expand (1 + 2x) 12 in ascending powers of x up to and including the term

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a. Expand (1 + 2x)¹² in ascending powers of x up to and including the term in x³, simplifying each coefficient.

b. By substituting a suitable value for x, which must be stated, into your answer to part a, calculate an approximate value of 1.02¹².

c. Use your calculator, writing down all the digits in your display, to find a more exact value of 1.02¹².

d. Calculate, to 3 significant figures, the percentage error of the approximation found in part b.

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Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

ISBN: 9781292183398

1st Edition

Authors: Greg Attwood

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Question Posted: Jul 15, 2023 02:54 AM

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a. Expand (1 + 2x) 12 in ascending powers of x up to and including the term

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a To expand 1 2x12 in ascending powers of x up to and including the term in x3 we can use the binomi...View the full answer

Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

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