Mathematics 9709 · AS & A Level · Differentiation

Differentiation — practice question

(main)[7]

The curve is given by $y = 8x + (2x - 1)^{-1}$. Find the $x$-values where the curve has stationary points and determine the type of each stationary point, giving reasons for your answers.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: Differentiate to give $\frac{dy}{dx}=8-2(2x-1)^{-2}$

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