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Yahoo! Group TitleBest ResponseYou've already chosen the best response.0
nPr = n!/ (nr)!
 one year ago

Yahoo! Group TitleBest ResponseYou've already chosen the best response.0
nCr = n!/(r! * (nr)! )
 one year ago

kitkatt Group TitleBest ResponseYou've already chosen the best response.0
i am new to this please explain
 one year ago
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