Matematika

Pertanyaan

2log20 - 5log15 - 2log5 - 5log3 = ?

2 Jawaban

  • 2log20 - 5log15 - 2log5 - 5log3 =
    2log(20÷5) - 5log(15÷3)
    2log4 - 5log5
    2 - 1 = 1


    semoga membantu
    maaf kalau salah
  • =2log20-2log5-5log15-5log3
    =2log20/5-5log15/3
    =2log4-5log5
    =2log2^2- 5log5
    =2-1
    =1

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