1/2log(x^2 - 4x + 5) = -1
Matematika
damayanti36
Pertanyaan
1/2log(x^2 - 4x + 5) = -1
1 Jawaban
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1. Jawaban syifajs
Mata Pelajaran : Matematika Peminatan
Kelas : 10
Bab : 02 - Fungsi Logaritma
[tex] {}^{ \frac{1}{2} } log(x {}^{2} - 4x + 5) = - 1 \\ x {}^{2} - 4x + 5 = ( \frac{1}{2} ) {}^{ - 1} \\ x {}^{2} - 4x + 5 = 2 \\ x {}^{2} - 4x + 5 - 2 = 0 \\ x {}^{2} - 4x + 3 = 0 \\ [/tex]
(x - 3) , (x - 1) = 0
→ x = 3
→ x = 1
HP : { 1 , 3 }