The solution of the differential equation \[\frac{dy}{dx}=\frac{xy}{{{

1.	The solution of the differential equation \[\frac{dy}{dx}=\frac{xy}{{{x}^{2}}+{{y}^{2}}}\]is
A.	\[a{{y}^{2}}={{e}^{{{x}^{2}}/{{y}^{2}}}}\]
B.	\[ay={{e}^{x/y}}\]
C.	\[y={{e}^{{{x}^{2}}}}+{{e}^{{{y}^{2}}}}+c\]
D.	\[y={{e}^{{{x}^{2}}}}+{{y}^{2}}+c\]
Answer» B. \[ay={{e}^{x/y}}\]

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The solution of the differential equation \[\frac{dy}{dx}=\frac{xy}{{{x}^{2}}+{{y}^{2}}}\]is

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