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Mathematics 15 Online
OpenStudy (anonymous):

What value is a permutation of n things taken r at a time divided by to get the combination of n things taken r at a time? r r! (n - r)!

ganeshie8 (ganeshie8):

divide the permutation formula, by the combination formula. and see what you get

OpenStudy (anonymous):

o-o..nevermind, I'm skipping that question, sounds too hard, lol

ganeshie8 (ganeshie8):

not at all. lol

ganeshie8 (ganeshie8):

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