MCQ
यदि $x^m y^n=(x+y)^{m+n}$, तब $\frac{d y}{d x}=$
  • A
    $\frac{x}{y}$
  • $\frac{y}{x}$
  • C
    $-\frac{y}{x}$
  • D
    $-\frac{x}{y}$

Answer

Correct option: B.
$\frac{y}{x}$
B

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