diff-equation

Question: The solution of the differential equation $x({{e}^{2y}}-1)dy+({{x}^{2}}-1){{e}^{y}}dx=0$is



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

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