jikq diketahui log x=a dan log y=b maka log 10x3\y2=

log x = a
x = 10^a

log y = b
y = 10^b

log (10x³)/y²
= log (10 . (10^a)³ / (10^b)²
= log (10 . 10^3a / 10^2b)
= log (10^(1 + 3a - 2b))
= (1 + 3a - 2b) . log 10
= 1 + 3a - 2b