Show that ∫312(36x2)dx=9\displaystyle \int_3^{12} \left(\frac{36}{x^2}\right) dx = 9∫312(x236)dx=9
411 exam-style questions on Edexcel A Level Maths Integration, covering 13.1 Integrating x^n, 13.2 Indefinite Integrals, 13.3 Finding Functions, 13.4 Definite Integrals, 13.5 Areas under Curves, 13.6 Areas under the x-axis, and 13.7 Areas between curves and lines. Each one has a worked solution and a mark scheme showing where the marks go.