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Pertanyaan

Nilai x yang memenuhi 8 x + 1 = 2 4 x − 1 adalah ...

Nilai x yang memenuhi adalah ...

  1. 1 + 6 begin mathsize 14px style blank squared end stylelog⁡3

  2. 1 + 4 begin mathsize 14px style blank squared end stylelog⁡3

  3. 1 + 6 begin mathsize 14px style blank cubed end stylelog⁡2

  4. 1 - 4 begin mathsize 14px style blank cubed end stylelog⁡2

  5. 1 - 6 begin mathsize 14px style blank cubed end stylelog⁡2

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A. Nadhira

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Pembahasan

begin mathsize 14px style 8 to the power of x plus 1 end exponent equals 24 to the power of x minus 1 end exponent 8 to the power of x.8 equals 24 to the power of x over 24 8 to the power of x.8 equals 1 over 24.8 to the power of x.3 to the power of x 3 to the power of x equals 8 cross times 24 x equals log presubscript presuperscript 3 invisible function application open parentheses 8 cross times 24 close parentheses x equals log presubscript presuperscript 3 invisible function application open parentheses 8 cross times 8 cross times 3 close parentheses x equals log presubscript presuperscript 3 invisible function application 8 plus log presubscript presuperscript 3 invisible function application 8 plus log presubscript presuperscript 3 invisible function application 3 x equals 2. log presubscript presuperscript 3 invisible function application 8 plus 1 x equals 2. log presubscript presuperscript 3 invisible function application 2 cubed plus 1 x equals 6. log presubscript presuperscript 3 invisible function application 2 plus 1 end style  

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