1/2 log( x^2 - 3) - 1/2 log x = -1
Matematika
sandy332
Pertanyaan
1/2 log( x^2 - 3) - 1/2 log x = -1
1 Jawaban
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1. Jawaban Ipeh11111
1/2 log( x^2 - 3) - 1/2 log x = -1
1/2 log( x^2 - 3) = 1/2 log x - 1
x^2 - x - 3 + 1 = 0
x^2 - x - 2 = 0
(x-2) (x+1) = 0
x=2 atau x=-1