Differentiate with respect to xxx,
x+2x2+7\displaystyle x + \frac{2}{x^2 + 7}x+x2+72
3+e4x23 + e^{4x^2}3+e4x2
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.