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1.12 I: Numerical methods (A-level only)

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Question 79
a.

Use the trapezium rule with four strips, each of width 0.5, to find an estimate for

∫13xex dx \int_1^3 x\sqrt{e^x}\,dx\,∫13​xex​dx

Give your answer to three significant figures.

[4]
b.

Explain how the trapezium rule could be used to obtain a more accurate estimate.

[1]
Markscheme

1.12 I: Numerical methods (A-level only) Questions

  1. A Level
  2. /Maths
  3. /1.12 I: Numerical methods (A-level only)

125 exam-style questions on AQA A Level Maths 1.12 I: Numerical methods (A-level only), covering 1.12.1 Locating roots by change of sign (A-level only), 1.12.2 Iterative methods and Newton-Raphson (A-level only), 1.12.3 Numerical integration (A-level only), and 1.12.4 Numerical methods in context (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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