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State the exact gradient of the curve at the point $(2,3)$. Give your answer in simplified form.
Mathematics 9709 · AS & A Level · Differentiation
Differentiation — practice question
A curve is described by $x^2\ln(2y)-y\ln(2+x^2)=\ln 6$.
Worked solution & mark scheme
This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “For $x^2\ln(2y)$, the derivative is $\frac{d}{dx}(x^2\ln 2y)=2x\ln(2y)+x^2\frac{1}{y}\frac{dy}{dx}$.” …
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