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March 30, 2017

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Write this expression as a single logarithm


6ln(x+8)+1/8lnx-ln(cosx)

  • Logarithms - ,

    Use the product rule,
    ln(a)+ln(b) = ln(ab)
    ln(a)-ln(b) = ln(a/b)

    Work out the problem and post your answer for a check if you wish.

  • logarithms - ,

    Also, see Reiny's answer to your previous post.
    http://www.jiskha.com/display.cgi?id=1277479844

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