2 log 3 = x dan 2 log 10 = y, nilai 6 log 120 adalah

nilai 6 log 120 = 20 , 6 x 20 = 120

6log120
= 2log120 / 2log6
= (2log2.2.3.10) / (2log2.3)
= (2log2 + 2log2 + 2log3 + 2log10) / (2log2 + 2log3)
= (1 + 1 + x + y) / (1 + x)
= (x + y + 2)/(x + 1)