diff-equation

Question: The solution of the differential equation $x\,dy+y\,dx-\sqrt{1-{{x}^{2}}{{y}^{2}}}dx=0$ is



1) ${{\sin }^{-1}}xy=c-x$
2) $xy=\sin (x+c)$
3) $\log (1-{{x}^{2}}{{y}^{2}})=x+c$
4) $y=x\sin x+c$
Solution: Explanation: No Explanation
Exact differential equations

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