Jawabanmu

2014-06-11T13:23:07+07:00
4 log 6 = m
10 log 4 = n ⇒ 4 log 10 =  \frac{1}{n}

sifat logaritma :
p log a = n ⇔ p^{n} = a
p log a =  \frac{n log a}{n log p}

12 log 60 =  \frac{4 log 60}{4 log 12} 

= \frac{4 log 6 . 10}{4 log 2.6} 

= \frac{m. \frac{1}{n} }{ \frac{1}{2} . m}
= \frac{m}{n} . \frac{2}{m}
 =\frac{2m}{mn}
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