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
Practise Edexcel A Level Maths 11.5 Integration by Substitution with exam-style questions for A Level Maths. 59 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.