1. ## definite integral

Evaluate the definite integral.

2. Try a substitution

$\displaystyle u=\ln x \implies \frac{du}{dx} = \frac{1}{x}$

3. Originally Posted by pickslides
Try a substitution

$\displaystyle u=\ln x \implies \frac{du}{dx} = \frac{1}{x}$
ok so what do I do with the 1/x ?

4. Originally Posted by tbenne3
ok so what do I do with the 1/x ?
Re-write the integral in light of these substitutions.