2 log 3 = X , 3 log 5 = Y , 6 log 45 = ? Pake cara.. tnks bang
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2 log 3 = X , 3 log 5 = Y , 6 log 45 = ? Pake cara.. tnks bang
1 Jawaban
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1. Jawaban ariza10
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