The solution to the differential equation\[y\log y+xy'=0\], where \[y(

1.	The solution to the differential equation\[y\log y+xy'=0\], where \[y(1)=e\], is
A.	\[x(log\,y)=1\]
B.	\[xy(log\,y)=1\]
C.	\[{{(log\,y)}^{2}}=2\]
D.	\[\log y+\left( \frac{{{x}^{2}}}{2} \right)y=1\]
Answer» B. \[xy(log\,y)=1\]

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The solution to the differential equation\[y\log y+xy'=0\], where \[y(1)=e\], is

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