Use the substitution u=x2+5u = x^2 + 5u=x2+5 to find ∫123x(x2+5)2dx\int_1^2 3x(x^2 + 5)^2 dx∫123x(x2+5)2dx.
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Markscheme
11.5 Integration by Substitution Questions
59 exam-style questions on Edexcel A Level Maths 11.5 Integration by Substitution. Each one has a worked solution and a mark scheme showing where the marks go.