- #1

remaan

- 132

- 0

**The hardest ever,,,**

## Homework Statement

40) for which positive intigers k is the following sries convergent:

(n!) ^2 / (kn)!

## Homework Equations

using the ratio test the limit should be less than 1

## The Attempt at a Solution

I tried the ratio test, but I got inifinty?