Mathematics 9709 · AS & A Level · Differentiation

Differentiation — practice question

A curve has equation $y e^{2x} - y^2 e^x = 2$.
(a)[4]

Show that $\frac{dy}{dx}=\frac{2y e^x-y^2}{2y-e^x}$.

(b)[4]

Determine the exact coordinates of the point on the curve at which the tangent is parallel to the $y$-axis.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: Differentiate $ye^{2x}$ correctly

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