jika 2log3 = a,maka 8log27 adalah.....

2log3 = a
8log27?

8log27= log27 / log8
= log 9 x 3 / log 4 x 2
= log 3^2 + log 3 / log2^2 +log 2
= 2 2log3 + 2log3 / 2 2log2 + 2log2
=2 . a + a / 2 (1) + 1
= 3a/3
= a

semoga bermanfaat