2023 KSS P1 Q8

2023 KSS P1 Q8

Secondary 4
5 marks

A curve is such that \(\dfrac{\mathrm d^2y}{\mathrm dx^2}=12x-2\). The point \((2,15)\) lies on the curve and the gradient of the curve at this point is 27. Find the equation of the curve.[5]

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Answer:\(y=2x^3-x^2+7x-11\)

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