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Math Help - Determine the greatest value of the following expression

  1. #1
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    Determine the greatest value of the following expression

    Given that the equation ax^3-x^2+ax-b=0 ( a\neq 0,b\neq 0) has three positive real roots. Determine the greatest value of the following expression
    P=\frac{11a^2-3\sqrt3ab-\frac{1}{3}}{9b-10\left ( \sqrt3a-1 \right )}
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  2. #2
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    Re: Determine the greatest value of the following expression

    Thanks for your nice equation.I have a learn new thinks from here.

    cremation blog
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  3. #3
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    Re: Determine the greatest value of the following expression

    I don't know your idea
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