Matematika

Pertanyaan

jika LOG 7=P dan LOG 5=Q,tentukanlah nilai LOG di bawah ini=
A. LOG 175.
B. LOG 245.
C. LOG 700.
D.LOG 5O.
E.3,5..
tolong dibantu yaa...

1 Jawaban

  • LogAritMa

    log 7 = p
    log 5 = q

    log 175
    = log (7 × 5²)
    = log 7 + 2 log 5
    = p + 2q

    log 245
    = log (5 × 7²)
    = log 5 + 2 log 7
    = q + 2p

    log 50
    = log (5 × 10)
    = log 5 + log 10
    = q + 1

    log 3,5
    = log 35/10
    = log (5 × 7) - log 10
    = p + q - 1

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