Differentiate with respect to xxx,
x+5x2+4\displaystyle x + \frac{5}{x^2 + 4}x+x2+45
8+ex28 + e^{x^2}8+ex2
51 exam-style questions on Edexcel A Level Maths 9.3 The Chain Rule. Each one has a worked solution and a mark scheme showing where the marks go.