Berapa nilai X? 1/2 log (X²-3) - 1/2 log X = -1
Matematika
chan98
Pertanyaan
Berapa nilai X?
1/2 log (X²-3) - 1/2 log X = -1
1/2 log (X²-3) - 1/2 log X = -1
1 Jawaban
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1. Jawaban rizkynovilda1
1/2 log (x² - 3) - 1/2 log x = -1
1/2 log (x²- 3)/ x = 1/2 log 2
(x²-3)/x =2
x² - 3 = 2x
x² -2x -3 = 0
(x - 3)(x + 1) =0
x= 3 atau x = -1