MCQ
$\frac{d y}{d x}=1+x+y+x y$ का हल है :
- A$x-y=k(1+x y)$
- ✓$\log (1+y)=x+\frac{x^2}{2}+k$
- C$\log (1+x)=y+\frac{x^2}{2}+k$
- Dइनमें से कोई नहीं
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