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Itu ditambah atau dikali ya? Kalau ditambah:
Log5(1) = 0
Maka
= 2 log 3(5)
B.
Log3(9) = 2
Log3(4)= 2 log 3(2), 3 log 3(4)= 6 log 3(2)
Maka
2-6 log 3(2)
C.
Log5(1)=0
Log2(4)=2
Log3(3)=1, 4 log3(3)= 4 x 1 = 4
Maka
0 + 2 - 4 = -2