MCQ
अवकल समीकरण $y d x-x d y=x y d x$ का हल है :
  • A
    $\frac{y^2}{2}-\frac{x^2}{2}=x y+c$
  • $x=k y e^x$
  • C
    $x=k y e^y$
  • D
    इनमें से कोई नहीं

Answer

Correct option: B.
$x=k y e^x$
(B)

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