Jawabanmu

2014-08-31T21:05:46+07:00
6log75= 2log75/2log6

2log75= 2log3+2log25

2log6=2log3+2log2=2log3+1

jadi jawabannya a+2b/a+1
2014-08-31T21:11:20+07:00
6 log 75 = 3 log 75 / 3 log 6
= 3 log 5 + 3 log 5 + 3 log 3 / 3 log 3 + 3 log 2
= 2b + 1 / 1 + 1/a
1 4 1