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Math Help - product of two summation

  1. #1
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    product of two summation

    is this true???
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  2. #2
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    I don't think you can distribute the summation thru....false
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  3. #3
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    Quote Originally Posted by dolphinlover View Post
    I don't think you can distribute the summation thru....false
    you can always try a few #"s for x & y and see if it works..
    Last edited by dolphinlover; October 15th 2008 at 10:21 PM. Reason: index
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