diff-equation

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



1) $a{{y}^{2}}={{e}^{{{x}^{2}}/{{y}^{2}}}}$
2) $ay={{e}^{x/y}}$
3) $y={{e}^{{{x}^{2}}}}+{{e}^{{{y}^{2}}}}+c$
4) $y={{e}^{{{x}^{2}}}}+{{y}^{2}}+c$
Solution: Explanation: No Explanation
Homogeneous differential equations

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