(A) Find an integrating factor as a function of only one variable for the equation

ydx−xdy=0\displaystyle {y}{\left.{d}{x}\right.}-{x}{\left.{d}{y}\right.}={0}.

μ(x)=\displaystyle \mu{\left({x}\right)}=  

(B) Solve the resulting exact equation
y(x)=\displaystyle {y}{\left({x}\right)}=  

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