What is the derivative of : $y = e^{1 - x}$ $y= e^(1-x)$ ?

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Answer 1 · 2015-05-06T12:27:44

I would use the Chain Rule to derive $e$ $e$ first as it is and then the exponent:
$y'=e^(1-x)*(-1)=-e^(1-x)$

What is the derivative of : y= e^(1-x)y=e1−xy= e^(1-x)?