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Mathematics
OpenStudy (anonymous):

i totally forgot all logarithm rules and therefore it is hard for me to solve equations. please, remind me or give me link to the good source

OpenStudy (anonymous):

\[log_{a}x + log_{a}y = log_{a}(xy)\] \[log_{a}x – log_{a}y = log_{a}(x/y)\] \[log_{a}x^{n} = nlog_{a}x\]

OpenStudy (anonymous):

that is it!

OpenStudy (anonymous):

some more?

OpenStudy (anonymous):

If \[a = b^{c}\] then \[c = log_{b}a\] http://www.mathsrevision.net/alevel/pages.php?page=24

OpenStudy (anonymous):

amazing, thank you

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