यदि ${x^m}{y^n} = 2{(x + y)^{m + n}}$ है,तो $\frac{dy}{dx}$ का मान ज्ञात कीजिए।

  • A
    $x + y$
  • B
    $x/y$
  • C
    $y/x$
  • D
    $x - y$

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