यदि $(x - y)e^{x/(x - y)} = k$ है,तो:

  • A
    $(y - 2x)\frac{dy}{dx} + 3x - 2y = 0$
  • B
    $y\frac{dy}{dx} + x - 2y = 0$
  • C
    $a(y\frac{dy}{dx} + x - 2y) = 0$
  • D
    इनमें से कोई नहीं

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