Differentiate with respect to xxx,
3x4+e5x3x^4 + e^{5x}3x4+e5x
(x2+7)4(x^2 + 7)^4(x2+7)4
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.