2 log 8 + 2 log 16 - 2 log 4.. minta tolong dong, beserta caranya...

2log8 + 2log16 - 2log4
=2log 8 x 16 : 4
=2log32
= 5

karena + = x, dan - = /
maka 2 log 8 + 2 log 16 - 2 log 4
= 2 log 8.16/4
= 2 log 32
= 2 log 2^5
= 2 log 2=1 ===> 5.1= 5