Roboguru

Nilai space dari space log presuperscript 2 space 6 space plus space log presuperscript 2 space 8 minus log presuperscript 2 space 12 space equals space....

  1. 2

  2. 1

  3. -1

  4. -2

  5. -3

Jawaban:

Gunakan space sifat minus sifat space logaritma comma space yaitu space  log presuperscript straight a space straight a to the power of straight n equals straight n  log presuperscript straight a space straight b space plus space log presuperscript straight a space straight c space equals space log presuperscript straight a space bc  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    Penyelesaian space colon  equals log presuperscript 2 space 6 plus log presuperscript 2 space 8 minus log presuperscript 2 space 12  equals log presuperscript 2 fraction numerator 6.8 over denominator 12 end fraction  equals log presuperscript 2 space 4  equals log presuperscript 2 space 2 squared  equals 2

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