diff-equation

Question: The solution of the differential equation $\frac{dy}{dx}=1+x+y+xy$ is

1) $\log (1+y)=x+\frac{{{x}^{2}}}{2}+c$

2) ${{(1+y)}^{2}}=x+\frac{{{x}^{2}}}{2}+c$

3) $\log (1+y)=\log (1+x)+c$

4) None of these

Solution:

Explanation: No Explanation

Variable separable type differential equations

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