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**[SOLVED] How simplifying this ratio test for series?**

Basically, we are asked if (n!n^2)/(2n)! converges absolutely...

I got to the point where

lim as n --> infinity of

[(n+1)!(n+1)^2]/(2(n+1))! X (2n)!/n!n^2

by the ratio test.

But I don't know how to manipulate the factorials from here on...could anyone help?

Thank you.