3 log√9- 3 log 1/27- 3 log81 adalah .... a. -3 b. 0 c. 3 d. -1 e. 1

3 log akar 9 = 3 log 3 = 1
3 log 1 per 27 = -3
3 log 81= 4
jadi 1-(-3)-4=0

3 log √ 9 = 3 log 3 = 1
3 log 1/27 = -3
3 log 81= 4
jadi 1-(-3)-4=0