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Question

For the differential equation in given question find the general solution.​​​​

ylogydxxdy=0

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Solution

Given, y logy dxx dy=0
On separating the variables, we get y~ log y~ dx=x dy 1xdx=1y logydy
On integrating, we get 1xdx=1ylogydyLet logy=t1y=dtdydy=ydt1ydx=1tdtlog|y|=log|t|log|C|log|xC|=log|logy| [logm+logn=log mn and logm=lognm=n]Cx=logyy=eCx [Logex=mem=x]
which is the required general solution.


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