Find the value of k k\,k such that ∫k9(10x)dx=20\displaystyle \int_k^9 \left( \frac{10}{\sqrt{x}} \right) dx = 20∫k9(x10)dx=20
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.