³ log 27 + ²log128 – 9 log 81

Logaritma

³log 27 + ²log 128 – ⁹log 81

= ³log 3³ + ²log 2⁷ – ⁹log 9²

= 3 . ³log 3 + 7 . ²log 2 – 2 . ⁹log 9

= 3 . 1 + 7 . 1 – 2 . 1

= 3 + 7 – 2

= 8