hello, I wish someone can help me with that:
..........................n
...................n! * 5
.lim{n>... }_______
......................n
.....................n
i wish u understand what I mean because it is not so easy to whrite it in the computer.
don't care about the "....."
I'd use Stirlings approximation. Read: Stirling's approximation - Wikipedia, the free encyclopedia
The finer details are left for you to worry about.