5 log 4 x 2 log 125 berapa hasilnya? Dan caranya

aturan logaritma

a log b × b log c = a log c
a log b^ m = m × a log b
b^m = b pangkat m
a log a = 1

maka ;

5 log 4 = 5 log 2^2
= 2 × 5 log 2
jadi

2 × 5 log 2 × 2 log 125
2 × 5 log 125
2 × 5 log 5^3
2× 3 × 5 log 5
6×1 = 6