3log(2x^2-4x)-3log(x-2)=4
Matematika
rafadean
Pertanyaan
3log(2x^2-4x)-3log(x-2)=4
1 Jawaban
-
1. Jawaban SadonoSukirno
³log (2x² - 4x) - ³log (x-2) = 4
³log {(2x²-4x) / (x-2)} = ³log 3⁴
(2x²-4x) / (x - 2) = 3⁴
2x(x - 2) / (x-2) = 81
2x = 81
x = 81/2
x = 40,5