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July 8, 2015

Homework Help: Math: Permutations and Combinations

Posted by Dee on Friday, August 28, 2009 at 3:57pm.

Need a verification:
Combinations of n items taken r at a time: C9n,r)= n!/(n-r)!*r!
C(8,0)
8!/(8-0)!*(0)! = 8!/8!*0! = 0 or Answer is 0 or 1?

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