- #1

- 67

- 0

## Homework Statement

[tex]\int[/tex] (e[tex]^{}x[/tex] + 1)/e[tex]^{}x[/tex] dx

## Homework Equations

the answer is: x-e[tex]^{}-x[/tex] + C

after I integrate I don't get the above answer.

## The Attempt at a Solution

u=e^x+1

du=e^x

=[tex]\int[/tex] u du

=(u[tex]^{}2[/tex]/2)