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Math Help - derivative of log

  1. #1
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    derivative of log

    what's the derivative of log x?
    i type it in the graphmatica, and the result graph of the derivative looks like 1/x times somethings, but i want to know how to get the derivative
    thank you for any help.
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  2. #2
    Bar0n janvdl's Avatar
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    Quote Originally Posted by ives View Post
    what's the derivative of log x?
    i type it in the graphmatica, and the result graph of the derivative looks like 1/x times somethings, but i want to know how to get the derivative
    thank you for any help.
    \frac{d}{dx} \ log_{a} x = \frac{1}{x \ln a}
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  3. #3
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    thank you
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  4. #4
    Bar0n janvdl's Avatar
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    Quote Originally Posted by ives View Post
    thank you
    You are welcome!
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