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- Aug 7th 2012, 05:48 AMmathewnarendistinct permutations
- Aug 8th 2012, 06:14 AMJohnDMalcolmRe: distinct permutations
The number of permutations of N objects is . But say r of the objects are indistinguishable, then the number of distinct permutations become . Suppose that there are r indistinguishable objects of one kind and s of another. Then the number of distinct permutations is .

- Aug 11th 2012, 07:06 AMmathewnarenRe: distinct permutations
Pls someone give me the answer for the question

- Aug 11th 2012, 07:37 AMPlatoRe: distinct permutations