Differentiate with respect to xxx,
x24x+1x^2 \sqrt{4x+1}x24x+1
xln(2x+1)x \ln(2x+1)xln(2x+1)
30 exam-style questions on Edexcel A Level Maths 9.4 The Product Rule. Each one has a worked solution and a mark scheme showing where the marks go.