# Math Help - Integration by parts problem

1. ## Integration by parts problem

Can anyone help me solve this? I don't even know where to start.

$\int_{1}^{inf}\frac{ln(n))}{n^2}dn$

2. ## Re: Integration by parts problem

integrate by parts u=ln(n) ; v=-1/n

3. ## Re: Integration by parts problem

You might start with a substitution: $u = \ln x$.