A-level Maths · Numerical methods

The trapezium rule

Estimate a definite integral with n strips of the trapezium rule, to 4 significant figures.

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Question 1

Use the trapezium rule with 5 strips of equal width to estimate ∫1212+x2 dx\int_{1}^{2} \frac{1}{2 + x^{2}}\,dx. Give your answer to 4 significant figures.

You can type 4.53, 3.2e-5, 3.2 × 10^-5 or 7/3.

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