(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

[tex]\int_0^1 \frac{1}{\sqrt{x^2+1}}\,dx[/tex]

2. Relevant equations

Integration by substitution looks like it might help here...

3. The attempt at a solution

The answer is [tex]\log (1+\sqrt 2)[/tex], but I'm at a loss as to how to derive that.

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# Homework Help: Integral from 0 to 1 of 1/sqrt(1+x^2)

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