jika 3 log 2=a maka 8 log 9=

3log2 = a
2log3 = 1/a
8log 9 = (2)^3log 3^2
2/3 2log3
=2/3 x 1/a
= 2/(3a)

8Log 9 = 3Log 9 / 3Log 8
= 3Log 9 / 3Log (2x2x2)
= 2 / (3Log 2 + 3Log 2 + 3Log 2)
= 2 / (a + a + a)
= 2 / 3a