(a)[3]
Find $\frac{dy}{dx}$ and $\frac{d^2y}{dx^2}$.
(b)[4]
Find the coordinates of the stationary point on the curve and determine its nature.
Mathematics 9709 · AS & A Level · Differentiation
Differentiation — practice question
The curve is given by $y = 3x + 1 - 4\sqrt{3x + 1}$ for $x > -\frac{1}{3}$.
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This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Differentiates the expression correctly to obtain $\frac{dy}{dx}$.” …
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