Question

5log(x^2-1) = 5log(x+1) maka nilai x yang memenuhi
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Answer 1

Verified answer

LogAritMa

5'log (x² - 1) = 5'log (x + 1)
x² - 1 = x + 1
x² - 1 - x - 1 = 0
x² - x - 2 = 0
(x - 2)(x + 1) = 0
x = 2 atau x = -1

Nilai x yg memenuhi :
2 dan (-1)