MCQ
વિકલ સમીકરણ $\frac{d y}{d x}+\frac{1+x^2}{x}=0$ નો ઉકેલ ____________ છે.
- A$y=-\frac{1}{2} \tan ^{-1} x+c$
- B$y+\log x+\frac{x^2}{2}+c=0$
- C$y=\frac{1}{2} \tan ^{-1} x+c$
- D$y-\log x-\frac{x^2}{2}=c$
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