Matematika

Pertanyaan

Nilai "log 12 - "log 6 + "log 2 adalah..
ctt: ( " ) artinya pangkat 2. Trims mohon dibantu

2 Jawaban

  • ^2 log 12 - ^2 log 6 + ^2 log 2
    = ^2 log (12 ÷ 6 x 2)
    = ^2 log ( 4)
    = ^2 log (2^2)
    = 2 × ^2 log 2
    = 2 × 1
    = 2

    ^ = pangkat
  • "log 12 - "log 6 + "log 2 = "log (12/6) + "log 2
    "log 12 - "log 6 + "log 2 = "log 2 + "log 2
    "log 12 - "log 6 + "log 2 = "log (2.2)
    "log 12 - "log 6 + "log 2 = "log 4
    "log 12 - "log 6 + "log 2 = 2

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