Вычислите log₁/₅(4/125)-log₁/₅(4/5)

Question

Вычислите log₁/₅(4/125)-log₁/₅(4/5)

Answer 1

log 1/5 (4/125 / 4/5) = log 1/5 (1/25) =log 1/5 (1/5)^2 = 2*log 1/5 (1/5) =2*1 =2

Answer 2

log₁/₅(4/125)-log₁/₅(4/5)=log₁/₅(4/125:4/5)=log₁/₅(1/25)=2