How change the base of the log??

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Rodrigo Franco
Rodrigo Franco 2014-9-26
评论： Wahid Ali 2017-7-7
Hi peoples, how change the base of the log example: log9(9) = 1

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Adam
Adam 2014-9-26
Defining your own using an equality such as
log9(x) = log(x) / log(9)
looks to be your best option.

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