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Math Help - 3^x = x^2

  1. #1
    Super Member bigwave's Avatar
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    3^x = x^2

    3^x = x^2

    look very easy but how do you isolate x in this

    my first step was

    xln(3)= 2ln(x)

    then

    x/ln(x) = 2/ln(3)

    but what next or is there another way
    Last edited by bigwave; April 15th 2011 at 02:07 PM. Reason: took out image
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  2. #2
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by bigwave View Post
    3^x = x^2

    look very easy but how do you isolate x in this

    my first step was

    xln(3)= 2ln(x)

    then

    x/ln(x) = 2/ln(3)

    but what next or is there another way
    There is no way to solve this exactly. You'll have to approximate.

    -Dan
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