Jawabanmu

2014-08-28T20:09:16+07:00
A. 6log(2x18)
= 6log36
= 6log 6^2
= 2
B. 3log 1/9
= 3log 1/3^2
= 3log 3^-2
= -2
C. 2log12 + 2log 4 - 2log6
= 2log (12x4 : 6)
= 2log8
=2log 2^3
=3
1 2 1