MCQ
વિકલ સમીકરણ $\frac{{dy}}{{dx}} = \frac{{xy\, +\, y}}{{xy\, +\, x}}$ નો ઉકેલ મેળવો..
- A$y = xe^x + c$
- B$y = e^x + c$
- C$y = x + A$
- Dએક પણ નહી
$\int \frac{(y+1)}{y} d y=\int \frac{(x+1)}{x} d x$
$\int\left(1+\frac{1}{y}\right) d y=\int\left(1+\frac{1}{x}\right) d x$
$y+\ln y=x+\ln x+c$
$\mathrm{y}-\mathrm{x}=\ln \frac{\mathrm{x}}{\mathrm{y}}+\mathrm{c}$
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