Difference between revisions of "Permutation"
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| − | + | A '''permutation''' of a set of r objects is any rearrangement of the r objects. There are <math>r!</math> (the [[factorial]] of r) permutations of a set with r objects. | |
Revision as of 12:07, 29 June 2006
A permutation of a set of r objects is any rearrangement of the r objects. There are 
(the factorial of r) permutations of a set with r objects.
