jika ³log (x²+1) = ³log 5, maka x=? tolong yaaa
Matematika
desi607
Pertanyaan
jika ³log (x²+1) = ³log 5, maka x=?
tolong yaaa
tolong yaaa
1 Jawaban
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1. Jawaban yanfardian
³log(x² + 1) = ³log 5
x² + 1 = 5
x² - 4 = 0
(x - 2)(x + 2) = 0
x = 2 atau x = - 2