Jawabanmu

2014-09-04T21:12:17+07:00
2log3 . 3log 5= 2log 5 = a . b

4log 75 = 4log 25 + 4log3 = 2log5 +  2_{log 3^{1/2}} =2log5+1/2 . 2log 3

=  ab +1/2 . a