Jawabanmu

2014-08-22T09:57:16+07:00
8log 5 = a = 2 log 5 + 2 log 5 + 2 log 5 

jadi 2 log 5 = 1/3 a
1 1 1
2014-08-22T09:57:51+07:00
8 = 2³
√25 = 5

8 log 5 = 2³ log √25 *ada rumus a log b . b log c = a log c
        a  = 2³ log 2 . 2 log √25  * x^{m} log  x^{n}  =  \frac{n}{m}
       a   =  \frac{1}{3} . 2 log √25
      3a  = 2 log √25