2log akar 32 - 3log 45 + 3log 5

Kelas 10 Matematika
Bab Logaritma

^ = pangkat

²log √32 - ³log 45 + ³log 5
= ²log 2^(5/2) + ³log 5 - ³log 45
= (5/2) . ²log 2 + ³log (5/45)
= 5/2 + ³log (1/9)
= 5/2 + ³log 3^(-2)
= 5/2 - 2
= 1/2