nilai x yang memenugi persamaan 5log(x2-1)-5log(x+1)=1

LogAritMa

5'log (x² - 1) - 5'log (x + 1) = 1
5'log (x² - 1)/(x + 1) = 1
(x² - 1)/(x + 1) = 5¹
x² - 1 = 5(x + 1)
x² - 1 = 5x + 5
x² - 5x - 6 = 0
(x + 1)(x - 6) = 0
x = -1 atau x = 6

NiLai x yg memenuhi :
-1 dan 6