Unformatted text preview: Question 3. Explain why C k,n = P k,n /k ! . For each combination of k elements there are k ! ways of ordering those elements, i.e., there are k ! distinct permutations for each combination. Hence, the number of combinations is obtained by dividing the number of permutations by k !. www.ece.drexel.edu/faculty/sweber 1 October 3, 2007...
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- Spring '04
- Steven Weber, distinct permutations, unordered subset