diff-equation

Question: If c is any arbitrary constant, then the general solution of the differential equation $ydx-xdy=xy\,dx$ is given by



1) $y=cx\,{{e}^{-x}}$
2) $x=cy{{e}^{-x}}$
3) $y+{{e}^{x}}=cx$
4) $y{{e}^{x}}=cx$
Solution: Explanation: No Explanation
Exact differential equations

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