x+2x2+7\displaystyle x + \frac{2}{x^2 + 7}x+x2+72
[2]
b.
3+e4x23 + e^{4x^2}3+e4x2
[2]
Markscheme
1.7.18 Chain rule (A-level only) Questions
74 exam-style questions on OCR A Level Maths 1.7.18 Chain rule (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.