(a)[3]
Show that the derivative can be written as $\frac{dy}{dx} = \frac{4x - 3}{3 - 2y}$.
(b)[6]
Find the coordinates of the two points on the curve where the gradient is $-1$.
Mathematics 9709 · AS & A Level · Differentiation
Show that the derivative can be written as $\frac{dy}{dx} = \frac{4x - 3}{3 - 2y}$.
Find the coordinates of the two points on the curve where the gradient is $-1$.
This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Identifies $2y \frac{dy}{dx}$ as the derivative of $y^2$, or an equivalent statement” …