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Math Help - By comparing areas find the value of a log

  1. #1
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    By comparing areas find the value of a log

    By comparing areas, show that
    \frac{1}{3}<\ln 1.5 < \frac{5}{12}
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  2. #2
    MHF Contributor alexmahone's Avatar
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    ln 1.5=ln \frac{3}{2}=ln 3-ln 2=\int \frac{1}{x} (from 2 to 3)
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