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OpenStudy (anonymous):
Indicate the formula for the following conditions. P^c(n, r) =
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OpenStudy (loser66):
I don't understand what you mean. Where does the problem come from?
OpenStudy (anonymous):
For example, P(n,r)= n! /(n-r)! C(n,r)= n! / r! (n-r)!
OpenStudy (loser66):
so what is P^ C(n,r)?
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