1. ## 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.

2. Originally Posted by ives
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.
$\frac{d}{dx} \ log_{a} x = \frac{1}{x \ln a}$

3. thank you

4. Originally Posted by ives
thank you
You are welcome!