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Math Help - e & ln question

  1. #1
    Newbie
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    Mar 2008
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    22

    e & ln question

    e^ln5 ( in simplest form)

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  2. #2
    Banned
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    Aug 2008
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    Reply

    e^{\ln 5}=5
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  3. #3
    Junior Member toraj58's Avatar
    Joined
    Oct 2008
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    IRAN
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    55
    \log_b^x = y

    then

    b^y=x

    so

    b^{\log_b^x} = x

    now we can replace b with e:

    e^{\log_e^x} = x

    whereas: \log_e^x = \ln x

    so

     e^{\ln x} = x
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