Matematika

Pertanyaan

jika ²log 3 = a dan ³log 5 = b maka6log 15=

1 Jawaban

  • 6 log 15 =
    = (³log 15) / (³log 6)
    = ³log (3 × 5) / ³log (2 × 3)
    = (³log 3 + ³log 5) / (³log 2 + ³log 3)
    = (³log 3 + ³log 5) / ( 1/²log 3 + ³log 3)
    = (1 + b) / (1/a + 1)
    = (a + ab) / (1 + a)

Pertanyaan Lainnya