Differentiate with respect to xxx,
x4cos4xx^4 \cos 4xx4cos4x
2e3x+42 e^{3x + 4}2e3x+4
30 exam-style questions on OCR (MEI) A Level Maths 1.9.12 Product rule (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.