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Thread: single logarithm

  1. March 31st 2010, 10:09 AM #1
    bastropgarl
    bastropgarl is offline
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    single logarithm

    I need help making ln2x+3(lnx-lny) a single logarithm
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  2. March 31st 2010, 10:48 AM #2
    Lafexlos
    Lafexlos is offline
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    Hi bastropgarl,

    1) \log_{a}{\left(b.c\right)}\;=\;log_{a}{b}+log_{a}{ c}

    2) log_{a}{\left(\frac{x}{y}\right)}\;=\;log_{a}{x}-log_{a}{y}

    3) x\log_{a}{y}\;=\;\log_{a}{y^x}

    Try to use these rules. If you still can not solve, write again.
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« logarithmic form | sum or differences of logs »

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