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
160 exam-style questions on WJEC A Level Maths 1.8 Integration, covering 1.8.1 Integration, 1.8.2 Integration, and 1.8.3 Integration. Each one has a worked solution and a mark scheme showing where the marks go.