2 log x = log (3x-2)
Matematika
encik2
Pertanyaan
2 log x = log (3x-2)
1 Jawaban
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1. Jawaban Alekhine
2 log x = log (3x-2)
log x² = log (3x-2)
x² = 3x-2
x²-3x+2 = 0
(x-2)(x-1) = 0
(*)x-2 = 0
x = 2
(**) x-1 = 0
x = 1