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Thread: Sum and/or difference of logs

  1. November 4th 2008, 12:48 PM #1
    beachbunny619
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    Sum and/or difference of logs

    Express powers as factors

    log[x(x+5)/(x+4)^5], x > 0

    Thank you
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  2. November 4th 2008, 03:50 PM #2
    Nacho
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    <br /> \log \left[ {\frac{{x\left( {x + 5} \right)}}<br /> {{\left( {x + 4} \right)^5 }}} \right] = \log \left[ {x\left( {x + 5} \right)} \right] - \log \left( {x + 4} \right)^5 = \log \left( x \right) + \log \left( x+5 \right) - 5\log \left( {x + 4} \right)<br />
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