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Math Help - Exponential equation

  1. #1
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    Exponential equation

    Solve the equation

    3^x +5^x -\sqrt{x^2-1+(\frac{1}{2})^{x}}= \frac{1268-\sqrt{13}}{2}
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  2. #2
    MHF Contributor
    skeeter's Avatar
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    can't solve this by hand using elementary methods ... get out your calculator.
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