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View Full Version : Solve Factorial..

Wikkibahi
May 16, 2011, 08:54 AM
Evaluate (2n)!
ebaines
May 16, 2011, 09:16 AM
What's to solve?

(2n)! = 2n * (2n-1) * (2n-2) *... * 3 * 2 * 1