tolong dijawab ya kak
mau dikumpul besok
pake caranya!!!!
Terimakasih
mau dikumpul besok
pake caranya!!!!
Terimakasih
18.
log a^½ + log b^½ - ½ log ab
= ½ (log a + log b) - ½ log ab
= ½ log (a.b) - ½ log ab
= ½ log ab - ½ log ab
= 0 (Jawaban A)
19.
⁷log (x - 1) = 2
⁷log (x - 1) = 2 . ⁷log(7)
⁷log (x - 1) = ⁷log(7²)
⁷log (x - 1) = ⁷log(49)
x - 1 = 49
x = 49 + 1
x = 50 (Jawaban E)
20.
log 3 + log 4 + log ½ + log ⅙
= log (3×4×½×⅙)
= log (1)
= 0 (Jawaban C)
