Homework Help: Limit of nth root of (1/n^2)

1. Jan 30, 2012

imurme8

1. The problem statement, all variables and given/known data

Show $\lim\limits_{n\to\infty}\sqrt[n]{\frac{1}{n^2}}=1$

2. Relevant equations

3. The attempt at a solution No ideas

2. Jan 30, 2012

Dick

I'd start by trying to find the limit of the log of that expression. l'Hopital's rule might come in handy.