Matematika

Pertanyaan

Dik 5 log 2 =x 5 log 3 = y tentukan 5 log 180 =

2 Jawaban

  • 5 log 180 = 5 log (5 x 2^2 x 3^2) = 5 log 5+ 5 log 2^2 + 5 log 3^2 = 1+ 2x + 2y = 1 + 2(x+y)
  • 5 Log 180 = 5 Log 3² + 5 Log 2² + 5 Log 5
    = 2×5 Log 3 + 2×5 Log 2 + 5 Log 5
    = 2y + 2x + 1
    = 2x + 2y + 1

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