Tentukan himpunan peyelesaian dari logaritma berikut. 2log (X-2)=log (2X-1)

Logaritma
SMA Kelas X

2. log(x - 2) = log(2x - 1)
log(x - 2)² = log(2x - 1)

(x - 2)² = (2x - 1)
x² - 4x + 4 = 2x - 1
x² - 4x - 2x + 4 + 1 = 0
x² - 6x + 5 = 0
(x - 5)(x - 1) = 0

x - 5 = 0
x = 5

dan
x - 1 = 0
x = 1

HP = {1, 5}