mar1e0721
1/2log7x−3log7y−2log5z−log5w



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hartnn
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properties of log:
\(\huge n\log a=log a^n \\ \huge \log(a)log(b)=log (a/b)\)

hartnn
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so \(1/2 log 7x\) can be written as\( log\sqrt{7x} \)
ok?

hartnn
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3log 7y = log (7y)^3

hartnn
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2log 5z = ?