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Math Help - set ..

  1. #1
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    Dec 2012
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    tehran
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    15

    set ..

    for the set X, with n elements; get the appropriate solution for:

    a) sigma (|A|-1)2 sum over all A (subsets of X).

    b) sigma 2|A|3|B| sum over all A,B (subsets of X).
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  2. #2
    MHF Contributor
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    Re: set ..

    For a), you can use formulas (6a) and (6b) on this page.
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  3. #3
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    Dec 2012
    From
    tehran
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    Re: set ..

    i solved a) today afternoon. : )
    thx

    dont u have any idea about b) ?
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