Use the substitution u=x4+2u = x^4 + 2u=x4+2 to find ∫4x3x4+2dx\displaystyle \int \frac{4x^3}{x^4 + 2} dx∫x4+24x3dx
363 exam-style questions on CCEA A Level Maths 3.6 Integration (A-level only), covering 3.6.1 Integration (A-level only), 3.6.2 Integration (A-level only), 3.6.3 Integration (A-level only), 3.6.4 Integration (A-level only), 3.6.5 Integration (A-level only), 3.6.6 Integration (A-level only), and 3.6.7 Integration (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.