Given that has a stationary point when

MATHEMATICS · Subjective · CBSE · Mathematics · Applications of Derivatives · Applications of Derivatives

Problem

Given that y=kx4−2x3+7kx2−4x+ky=kx^4-2x^3+7kx^2-4x+k has a stationary point when x=2x=2, determine the value of d2ydx2\frac{d^2y}{dx^2} at this point. Give your answer as an improper fraction in its simplest form.

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