examday

Official papers

Official 2020 Paper 1 · Q1

Paper 1Calculus

Which of the following is an expression for the first derivative with respect to xx of

x3−5x22xx\frac{x^3-5x^2}{2x\sqrt x}
A−x2-\frac{\sqrt x}2
Bx4\frac{\sqrt x}4
C3x−54x\frac{3x-5}{4\sqrt x}
D3x−54x\frac{3\sqrt x-5}{4\sqrt x}
E3x−103x\frac{3\sqrt x-10}{3\sqrt x}
F3x2−10x3x\frac{3x^2-10x}{3\sqrt x}

Read the questions freely. Sign in to check your answer, see the worked solution and save your progress.

Sign in to check your answerPractise the whole paper →