Math Is Fun Forum

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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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

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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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