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Thread: solve exponential equation

  1. September 11th 2011, 12:12 AM #1
    deathmate
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    solve exponential equation

    10^{x}+10^{x-1}=0.11
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  2. September 11th 2011, 12:23 AM #2
    Siron
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    Re: solve exponential equation

    Rewrite:
    10^{x}+10^{x-1}=0,11
    \Leftrightarrow 10^{x}+10^{x}\cdot 10^{-1}=0,11
    \Leftrightarrow 10^{x}(1+10^{-1})=0,11

    Continue.
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  3. September 11th 2011, 01:09 AM #3
    Siron
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    Re: solve exponential equation

    Have you solved it? ...
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  4. September 11th 2011, 07:10 AM #4
    deathmate
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    Re: solve exponential equation

    yeap/ its x=-1 thank you
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