hasil dari 3 log 18 - 3 log 4 + 3 log 12- 3 log 2 adalah

[tex]\log{(18)} = \log{\left ( 2\times3^2\right )}=\log{(2)} + 2\log{(3)} \\ \log{(12)} = \log{\left ( 2^2\times3 \right )} = 2\log{(2)} + \log{(3)} \\ \log{(4)} = \log{\left ( 2^2\right )} = 2\log{(2)} [/tex]

Jawab:
[tex]= 3\log{(2)} + 6 \log{(3)} - 6 \log{(2)} + 6\log{(2)} + 3\log{(3)} - 3\log{(2)} \\ = 9\log{(3)}[/tex]