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Thread: Derivative of Natural Log

  1. #1
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    Derivative of Natural Log

    f(x) = ln(x3+5x+7)

    f'(x) = {1/(x^3+5x+7)}(3x2+5)

    is this right?
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  2. #2
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    Re: Derivative of Natural Log

    so when I multiply it together the derivative should be

    (3x^2+5)/(x^3+5x+7)
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  3. #3
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    Re: Derivative of Natural Log

    Yes it's correct, well done.
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