If \[a{{x}^{2}}+2hxy+b{{y}^{2}}+2gx+2fy+c=0\], then \[\frac{dy}{dx}=\]

1.	If \[a{{x}^{2}}+2hxy+b{{y}^{2}}+2gx+2fy+c=0\], then \[\frac{dy}{dx}=\]
A.	\[-\frac{ax+hy+g}{hx-by+f}\]
B.	\[\frac{ax+hy+g}{hx-by+f}\]
C.	\[\frac{ax-hy-g}{hx-by-f}\]
D.	None of these
Answer» B. \[\frac{ax+hy+g}{hx-by+f}\]

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If \[a{{x}^{2}}+2hxy+b{{y}^{2}}+2gx+2fy+c=0\], then \[\frac{dy}{dx}=\]

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