Permutations formula pleasr
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Permutations and combinations. ... One could say that a permutation is an ordered combination. The number of permutations of n objects taken r at a time is determined by the following formula: P ( n , r ) = n ! ( n − r ) !
hope it helps you
Permutations and combinations. ... One could say that a permutation is an ordered combination. The number of permutations of n objects taken r at a time is determined by the following formula: P ( n , r ) = n ! ( n − r ) !
hope it helps you
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