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#1 2015-03-15 12:40:09

Al-Allo
Member
Registered: 2012-08-23
Posts: 324

integral of 1/(x^2+2) dx

So, I have no idea how I'm supposed to evaluate the following integral : 1/(x^2+2) I know that it has the form of the derivative of arctan but I'm not sure how to arrive at this result.

Thank you

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#2 2015-03-15 12:55:02

zetafunc
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Registered: 2014-05-21
Posts: 2,432
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Re: integral of 1/(x^2+2) dx

Use the substitution

.

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