MCQ
વિકલ સમીરણ $\frac{d y}{d x}=\frac{1}{x+y+2}$ નો સંકલ્પકારક અવયવ ______________ છે.
- A$e^x$
- ✓$e^{-y}$
- C$e^{x+y+2}$
- D$\log |x+y+2|$
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