1.

If y2 + xy + x2 2x = 0 then d2y dx2 =?

A. ((2y+x) frac{d^2 y}{dx^2}+( frac{dy}{dx})^2+2 frac{dy}{dx}+2=0 )
B. ((2y+x) frac{d^2 y}{dx^2}+2( frac{dy}{dx})^2+ frac{dy}{dx}+2=0 )
C. ((2y+x) frac{d^2 y}{dx^2}+2( frac{dy}{dx})^2+2 frac{dy}{dx}+2=0 )
D. (x frac{d^2 y}{dx^2}+2( frac{dy}{dx})^2+2 frac{dy}{dx}+2=0 )
Answer» D. (x frac{d^2 y}{dx^2}+2( frac{dy}{dx})^2+2 frac{dy}{dx}+2=0 )


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