# a. Show that the expansion of q(x) in ascending powers of x can be approximated to 10 2x +

## Question:

a. Show that the expansion of q(x) in ascending powers of x can be approximated to 10 − 2x + Bx2 + Cx3 where B and C are constants to be found.

b. Find the percentage error made in using the series expansion in part b to estimate the value of q(0.1). Give your answer to 2 significant figures.

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Related Book For

## Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

ISBN: 9781292183404

1st Edition

Authors: Greg Attwood, Jack Barraclough, Ian Bettison, David Goldberg, Alistair Macpherson, Joe Petran

Question Details
Chapter # 4
Section: Mixed exercise
Problem: 15
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Question Posted: August 10, 2023 08:01:21