Engineering Board Exam Reviewer · Derivatives of Exponential and Logarithmic Functions · medium

Find y' if y=ex x.

1. ≤ft( x + 1/x ) ex
2. exx
3. ≤ft( x - 1/x ) ex
4. ex x + 1/x

Answer

A. ≤ft( x + 1/x ) ex

Solution

Product rule: y'=ex x+ex· 1x=ex≤ft( x+ 1x ).

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