9log25 . 5log2 - 3log54 =
Matematika
ridhoagus
Pertanyaan
9log25 . 5log2 - 3log54 =
1 Jawaban
-
1. Jawaban subebe
(3^2)log5^2 . 5log2 -3log 54 = 2/2 3log5. 5log 2 - 3log54
=3log2 - 3log54 = 3log (2/54) = 3log (1/27) = 3log (3)^-3
-3 . 3log3 = -3