Use the trapezium rule with 8 strips to estimate the value of
∫15x2+3 dx \int_{1}^{5} \sqrt{x^2 + 3} \, dx ∫15x2+3dx125 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.