½log(x²-2x-23)=1/5 log(x²-2x-23)
Matematika
gshandy
Pertanyaan
½log(x²-2x-23)=1/5 log(x²-2x-23)
1 Jawaban
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1. Jawaban Saralio
F(x)=1
X²-2x-23=1
X²-2x-24=0
X= -(-2)±√(-2)²-4.1(-2)/2.1
X= 2±√4+96/2
X= 2±√100/2
X= 2±10/2
X1= 2+10/2. X2=2-10/2
= 12/2=6. = -8/2=-4
Hp:{-4,6}