The solution of \[(x-{{y}^{3}})dx+3x{{y}^{2}}dy=0\] is

1.	The solution of \[(x-{{y}^{3}})dx+3x{{y}^{2}}dy=0\] is
A.	\[\log x+\frac{x}{y}\]
B.	\[\log x+\frac{{{y}^{3}}}{x}=k\]
C.	\[\log x-\frac{x}{{{y}^{3}}}=k\]
D.	\[\log xy-{{y}^{3}}=k\]
Answer» C. \[\log x-\frac{x}{{{y}^{3}}}=k\]

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The solution of \[(x-{{y}^{3}})dx+3x{{y}^{2}}dy=0\] is

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