Use the trapezium rule with 4 strips to estimate the value of
∫2420x2+1 dx \int_2^4 \frac{20}{x^2+1} \, dx ∫24x2+120dx125 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.