If x^y=e^ x-y then d y d x = .. - Vidyadip

MCQ

If $x^y=e^{x-y}$ then $\frac{d y}{d x}=\ldots .$.

A
$\frac{1+x}{1+\log x}$
B
$\frac{\log x}{(1+\log x)^2}$
C
$\frac{1-\log x}{1+\log x}$
D
$\frac{1-x}{1+\log x}$

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