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\,∫13xexdx
Give your answer to three significant figures.
Explain how the trapezium rule could be used to obtain a more accurate estimate.
125 exam-style questions on CCEA A Level Maths 3.7 Numerical methods (A-level only), covering 3.7.1 Numerical methods (A-level only), 3.7.2 Numerical methods (A-level only), 3.7.3 Numerical methods (A-level only), and 3.7.4 Numerical methods (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.