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Thread: Solving x = log(x) type equations.

  1. September 1st 2011, 03:43 PM #1
    math8
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    Solving x = log(x) type equations.

    It looks like a simple problem, but for some reason, it's giving me trouble. How do you find the solution algebraically:

    x = 8\ log _2 x

    By drawing the 2 functions, I can see that there will be two solutions. But that's about all I can say right now. How do you find the values of these two roots?
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  2. September 1st 2011, 03:46 PM #2
    Ted
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    Re: Logarithmic functions

    You can not solve it elementary.
    You could use numerical methods.
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