Pertanyaan

Nilai dari 2 lo g 6 + 2 lo g 8 − 2 lo g 12 = ....

Nilai dari

  1. 2

  2. 1

  3. -1

  4. -2

  5. -3

R. Diah

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Pembahasan

Sifat-sifat yang digunakan:

Sifat-sifat yang digunakan:

log presuperscript straight a space straight b space space plus space log presuperscript straight a space straight c space equals space log presuperscript straight a space left parenthesis straight b. straight c right parenthesis  log presuperscript straight a space straight b space minus space log presuperscript straight a space straight c space equals space log presuperscript straight a space straight b over straight c  log presuperscript straight a space straight b to the power of straight n equals straight n space log presuperscript straight a space straight b  log presuperscript straight a space straight a space equals space 1    log presuperscript 2 space 6 space plus space log presuperscript 2 space 8 space minus space log presuperscript 2 space 12 space equals space log presuperscript 2 space open parentheses fraction numerator 6.8 over denominator 12 end fraction close parentheses  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space log presuperscript 2 space 4  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space log presuperscript 2 space 2 squared  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 2. space log presuperscript 2 space 2  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 2.1 space  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 2

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