Jawabanmu

2013-12-04T08:51:50+07:00
2 log 3= a ; 3 log 5= b
4 log 75 = 3 log 75 / 3 log 4
             = 3 log 5^2 + 3 log 3 / 3 log 2^2
             = 2b+1 / 2(1/a)
             = a(2b+1)/2
4 4 4