Use the substitution u=x3+1u = x^3 + 1u=x3+1 to find ∫3x2(x3+1)3dx\int 3x^2(x^3 + 1)^3 dx∫3x2(x3+1)3dx
221 exam-style questions on WJEC A Level Maths 3.7 Integration (A-level only), covering 3.7.1 Integration (A-level only), 3.7.2 Integration (A-level only), 3.7.3 Integration (A-level only), 3.7.4 Integration (A-level only), 3.7.5 Integration (A-level only), and 3.7.6 Integration (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.