Pertanyaan

Nilai x yang memenuhi 2 1 lo g ( 3 x − 2 ) = 2 1 adalah...

Nilai x yang memenuhi $^{\frac{1}{2}} lo g (3 x - 2) = \frac{1}{2}$ adalah...

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Habis dalam

Klaim

N. Ayu

Master Teacher

Mahasiswa/Alumni Universitas Negeri Padang

Jawaban terverifikasi

Pembahasan

$log presuperscript straight a space straight b space equals space straight c space left right double arrow space straight b space equals straight a to the power of straight c log presuperscript 1 half end presuperscript open parentheses 3 straight x minus square root of 2 close parentheses space equals space 1 half space 3 straight x space minus space square root of 2 space equals open parentheses 1 half close parentheses to the power of 1 half end exponent 3 straight x minus square root of 2 space equals space square root of 1 half end root 3 straight x space equals space square root of 1 half end root space plus space square root of 2 space end root 3 straight x space equals space square root of 2 space plus space fraction numerator 1 over denominator square root of 2 end fraction space. space fraction numerator square root of 2 over denominator square root of 2 end fraction 3 straight x space equals space square root of 2 space plus space 1 half square root of 2 straight x space equals space 1 third space. space 3 over 2 square root of 2 space end root space straight x equals space 1 half square root of 2$