The curve satisfies $\frac{dy}{dx} = -\frac{8}{x^3} - 1$, and the point $(2, 4)$ is on it.
(main)[4]
Find the equation of the curve.
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “From integrating, $y=\frac{4}{x^2}-x+c$” …
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