If ${x^y} = {y^x},$ then $\frac{dy}{dx} = $

  • A
    $\frac{y(x\log_e y + y)}{x(y\log_e x + x)}$
  • B
    $\frac{y(y - x\log_e y)}{x(x - y\log_e x)}$
  • C
    $\frac{x(x\log_e y - y)}{y(y\log_e x - x)}$
  • D
    $\frac{x(x\log_e y + y)}{y(y\log_e x + x)}$

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