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Math Help - Find three positive real numbers whose sum is 28 and whose product is a maximum.

  1. #1
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    Find three positive real numbers whose sum is 28 and whose product is a maximum.

    Find three positive real numbers whose sum is 28 and whose product is a maximum. List them in ascending order. , ,
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  2. #2
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    Here's a start

    x+y+z=28

    (xyz)' = 0

     x,y,z \in \mathbb{R}^+
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