Math  /  Word Problems

QuestionIdentify the correct notation for permutations among these options: rPnr P n, P(n,r)P(n, r), C(n,r)C(n, r), nCr\mathrm{nCr}.

Studdy Solution
The fourth option nCr\mathrm{nCr} does not match the general formula for permutation. This notation is also commonly used to denote combinations, not permutations.
Therefore, the correct representation of permutation is (n,r)(n, r).

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