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    Counting rule for permutations and combinations

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    P n,r = n!/(n - r)!, Cn,r = n!/r!(n-r)!

    a) Compute P 8,3

    b) Compute C 8,3

    © BrainMass Inc. brainmass.com October 9, 2019, 9:54 pm ad1c9bdddf
    https://brainmass.com/math/combinatorics/counting-rule-permutations-combinations-201666

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