tolong dibantu ya teman

^ tanda pangkat
log 5√5 + log √3 + log 45 / log 15
= log (5√5 × √3 × 45) / log 15
= log (225√15) / log 15
= log (15^5/2) / log 15
= (5/2) log 15 / log 15
= 5/2