Mathematics

Mathematics

Problem

For the curve defined implicitly by x2y+y2=10x^{2}y + y^{2} = 10, which of the following expressions equals dydx\dfrac{dy}{dx} in terms of xx and yy? a) −2yx2+2y-\dfrac{2y}{x^{2}+2y} b) −2xyx2+2y-\dfrac{2xy}{x^{2}+2y} c) −2xyx2-\dfrac{2xy}{x^{2}} d) −x2+2y2xy-\dfrac{x^{2}+2y}{2xy}

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