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
133 exam-style questions on WJEC A Level Maths 3.6.5 Differentiation (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.