- Thread starter
- #1

#### coolbeans33

##### New member

- Sep 19, 2013

- 23

^{x}/(1+x

^{2})

it went from (1+x

^{2})(e

^{x})-(e

^{x})(2

^{x})/(1+x

^{2})

^{2}

to e

^{x}(1-x)

^{2}/(1+x

^{2})

^{2}

I understand the first step, but don't get how they got to e

^{x}(1-x)

^{2}in the numerator. can someone please explain the steps to me?