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OpenStudy (anonymous):
Is the equation true or false? P(n,r)=n!/(n-r)!
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OpenStudy (anonymous):
@jim_thompson5910 help? :)
jimthompson5910 (jim_thompson5910):
This is true because this is the correct permutation formula.
OpenStudy (anonymous):
If \(P\) is permutations, then yes.
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