- #1
uman
- 352
- 1
Homework Statement
[tex]\int_0^1 \frac{1}{\sqrt{x^2+1}}\,dx[/tex]
Homework Equations
Integration by substitution looks like it might help here...
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.