The solution of the differential equation \[(3xy+{{y}^{2}})dx+({{x}^{2}}+xy)dy=0\] is [AISSE 1990]

\[{{x}^{2}}(2xy-{{y}^{2}})={{c}^{2}}\]

\[{{x}^{2}}(2xy+{{y}^{2}})={{c}^{2}}\]

\[{{x}^{2}}({{y}^{2}}-2xy)={{c}^{2}}\]

The solution of the differential equation \[(3xy+{{y}^{2}})dx+({{x}^{2

1.	The solution of the differential equation \[(3xy+{{y}^{2}})dx+({{x}^{2}}+xy)dy=0\] is [AISSE 1990]
A.	\[{{x}^{2}}(2xy+{{y}^{2}})={{c}^{2}}\]
B.	\[{{x}^{2}}(2xy-{{y}^{2}})={{c}^{2}}\]
C.	\[{{x}^{2}}({{y}^{2}}-2xy)={{c}^{2}}\]
D.	None of these
Answer» B. \[{{x}^{2}}(2xy-{{y}^{2}})={{c}^{2}}\]

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The solution of the differential equation \[(3xy+{{y}^{2}})dx+({{x}^{2}}+xy)dy=0\] is [AISSE 1990]

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