Use the substitution u=x2+2u = x^2 + 2u=x2+2 to find ∫2x(x2+2)2dx\int 2x(x^2 + 2)^2 dx∫2x(x2+2)2dx
111 exam-style questions on WJEC A Level Maths 3.7.4 Integration (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.