³log1/9 - ³log27 + ³log81 - ³log243 .... A)-4 B)-6 C)4 D)10
Matematika
nhsadiah
Pertanyaan
³log1/9 - ³log27 + ³log81 - ³log243 ....
A)-4
B)-6
C)4
D)10
A)-4
B)-6
C)4
D)10
1 Jawaban
-
1. Jawaban arsetpopeye
3log(1/9) - 3log27 + 3log81 - 3log243
3log3^-2 - 3log3^3 + 3log3^4 - 3log3^5
= -2 3log3 - 3 3log3 + 4 3log3 - 5 3log3
= -2 - 3 + 4 - 5
= -6