Matematika

Pertanyaan

2 log 3 = X , 3 log 5 = Y , 6 log 45 = ? Pake cara.. tnks bang

1 Jawaban

  • 2 log 3 = x
    3 log 5 = y
    6 log 45
    = log 45/log 6
    = log 3x3x5/log 2x3
    = 3 log 3 + 3 log 3 + 3 log 5/ 3 log 2 + 3 log 3
    = 1+1+y/((1/x)+1)
    = 2+y / (x+1/x)
    = 2+y * x/x+1
    = 2x+xy/x+1

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