MCQ
$y\,dx - x\,dy + x{y^2}dx = 0$ નો ઉકેલ મેળવો.
- ✓$2x + {x^2}y = \lambda y$
- B$2y + {y^2}x = \lambda y$
- C$2y - {y^2}x = \lambda y$
- Dએકપણ નહી.
Integrating both side, we get $\frac{x}{y} = - \frac{{{x^2}}}{2} + c$
==> $2x + {x^2}y = 2cy$ ==> $2x + {x^2}y = \lambda y$ [$\lambda = 2c$]
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