Differentiate with respect to xxx,
x22x+1x^2 \sqrt{2x+1}x22x+1
xln(x+1)x \ln(x+1)xln(x+1)
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.