MCQ
अवकल समीकरण $(x+4)(d x-d y)=d x+d y$ का हल है :
  • A
    $x-y=\log (x+y)+C$
  • $x^2+y^2=x+y+C$
  • C
    $x+y=\log (x-y)+C$
  • D
    $x^2-y^2=x+y+C$

Answer

Correct option: B.
$x^2+y^2=x+y+C$
(B)

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