# Math Is Fun Forum

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## #1 2009-11-02 00:35:20

Patrick
Real Member
Registered: 2006-02-24
Posts: 1,005

### Improper Integrals

I have the following improper integral:

And I'm getting the following:

Because as far as I can argue, I get:
and

Am I right, or have I made a mistake?

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## #2 2009-11-02 01:09:35

TheDude
Member
Registered: 2007-10-23
Posts: 361

### Re: Improper Integrals

First of all,

can't be -1 because e^x > 0 for all x.  Secondly, the point of splitting the integral into 2 parts is to remove the absolute value from the function.  What you want to solve for is

Wrap it in bacon

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## #3 2009-11-02 01:36:19

Patrick
Real Member
Registered: 2006-02-24
Posts: 1,005

### Re: Improper Integrals

Thank you so much I had a feeling I was doing it wrong, glad you took the time to explain it. Thank you

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