`y = x/e^x` Differentiate.

Textbook Question

Chapter 3, 3.2 - Problem 5 - Calculus: Early Transcendentals (7th Edition, James Stewart).
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balajia | College Teacher | (Level 1) eNoter

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`y(x)=xe^(-x)`

`y'(x)=1*e^(-x)+x(-1)e^(-x)`

`=(1-x)e^(-x)`

`=(1-x)/e^x`

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