algebra 1

evaluate

8C5

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  1. Sorry, I do not understand your notation.
    Do you perhaps mean the binomialcoefficient C(8,5) ?
    That would be
    8!
    -------
    (5!)(3!)
    which is
    8*7*6
    -------
    3*2
    which is
    8*7
    which is
    56

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  2. Damon, back in the olden days, in the days of antiquity when I was teaching that stuff we often used the notation

    8C5

    and it meant C(8,5)

    Some older text book would have used the notation

    8P5 to stand for P(8,5)

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