a) Derive a formula for the number of permutations of n
Chapter 9, Problem 15RQ(choose chapter or problem)
a) Derive a formula for the number of permutations of n objects of k different types, where there are n1 indistinguishable objects of type one, n2 indistinguishable objects of type two and nk indistinguishable objects of type k.________________b) How many ways are there to order the letters of the word INDISCREETNESS?
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