2log 80 + 3log 54 - 2log 5 - 3 log 2
Matematika
riskarosita4516
Pertanyaan
2log 80 + 3log 54 - 2log 5 - 3 log 2
1 Jawaban
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1. Jawaban newwiguna
²log 80 + ³log 54 - ²log 5 - ³log 2
= ²log 80 - ²log 5 + ³log54 - ³log 2
= ²log (80 : 5) + ³log (54 : 2)
= ²log 16 + ³ log 27
= ²log 2⁴ + ³log 3³
= 4 + 3
= 7