Question

Log(x^2 - 2x -6) basis 2 = 1
Tentukan HP makasihh

Answer 1

Log (x^2-2x-6) basis 2 = log 2^1 basis 2
x^2-2x-6 = 2
x^2-2x-6-2 = 0
x^2-2x-8= 0
(x+2)(x-4)
x= -2 atau x = 4
HP={-2,4}