MCQ
अवकल समीकरण $(x+y)(d x-d y)=d x+d y$ का हल है :
  • A
    $\frac{x^2}{2}-\frac{y^2}{2}=x+y+c$
  • B
    $x-y=\log (x+y)+c$
  • $\frac{x^2}{2}-\frac{y^2}{2}+x y=x+y+c$
  • D
    $x+y=\log (x-y)+c$

Answer

Correct option: C.
$\frac{x^2}{2}-\frac{y^2}{2}+x y=x+y+c$
(C)

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