diff-equation

Question: The general solution of the equation $({{e}^{y}}+1)\cos xdx+{{e}^{y}}\sin xdy=0$ is



1) $({{e}^{y}}+1)\cos x=c$
2) $({{e}^{y}}-1)\sin x=c$
3) $({{e}^{y}}+1)\sin x=c$
4) None of these
Solution: Explanation: No Explanation
Variable separable type differential equations

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