Matematika

Pertanyaan

Sederhanakan:
a.) 1/2 2 log 16 - 1/3 2 log 8
b.) Log 1/7 - Log 7 + Log 49

1 Jawaban

  • ★ Logaritma ★

    a.) 1/2 2 log 16 - 1/3 2 log 8
    = 1/2 (2log 2^4) - 1/3(2log 2^3)
    = 1/2(4) - 1/3(3)
    = 2 - 1
    = 1


    b.) Log 1/7 - Log 7 + Log 49
    = log 1/7:7 + log 49
    = log 1/49 + log 49
    = log 1/49 (49)
    = log 1
    = 0

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