Supposeacollectionconsistsofn objectsofwhich,foreach i
Chapter 9, Problem 9.179(choose chapter or problem)
Supposeacollectionconsistsofn objectsofwhich,foreach i with 1i k, ni are of type i and are indistinguishable from each other. Also suppose that n =n1 +n2 ++nk. Then the number of distinct permutations of the n objects is _____.
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