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    Permutation and Combination

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    a) P6,4
    b) C7,2
    c) P4,4
    d) C9,0

    © BrainMass Inc. brainmass.com October 9, 2019, 9:37 pm ad1c9bdddf

    Solution Preview

    We have P(n, r) = n! / (n - r)! and C(n, r) = n! / {(n - r)! ...

    Solution Summary

    Step-by-step solution is provided.