Mathematics 9709 · AS & A Level · Differentiation

Differentiation — practice question

The curve is defined by $x^2 \ln y + y^2 + 4x = 9$.
(main)[5]

Determine the gradient of the curve at $(2, 1)$.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Product rule attempted when differentiating $x^2 \ln y$” …

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