For the curve defined by

MATHEMATICS · Single correct · A Level · Mathematics · Differentiation · Differentiation

Problem

For the curve defined by 3x2−4xy+y2=73x^{2}-4xy+y^{2}=7, what is dydx\dfrac{dy}{dx} expressed in simplest form? (a) −3x−2y2x−y-\dfrac{3x-2y}{2x-y} (b) 3x−y2x\dfrac{3x-y}{2x} (c) 3x−2y2x−y\dfrac{3x-2y}{2x-y} (d) 2x−y3x−2y\dfrac{2x-y}{3x-2y}

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