nilai dari 2 log 24+2 log 20-2 log 15 adalah

SIfat Logaritma:
ᵃlog a = 1
ᵃlog b + ᵃlog c = ᵃlog(b.c)
ᵃlog b - ᵃlog c = ᵃlog(b/c)

==Jawaban==
²log 24 + ²log 20 - ²log15
= ²log(24.20) - ²log 15
= ²log 480 - ²log 15
= ²log(480/15)
= ²log 32
= ²log 2⁵
= 5.²log 2
= 5.1
= 5