(i)[4]
Find the $x$-coordinate for the stationary point.
(ii)[2]
Determine whether the stationary point is a maximum or a minimum.
Mathematics 9709 · AS & A Level · Differentiation
Differentiation — practice question
The equation of the curve is $y = 3\ln(2x + 9) - 2\ln x$.
Worked solution & mark scheme
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Differentiate to get an expression such as $\frac{k_1}{2x+9}-\frac{k_2}{x}$” …
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