5) log₈√₅ ⁴√125 = log(2³√5) (5³)^(1/4) = log(2³√5) 5^(3/4) = log((5^(1/6)) 5^(3/4) / log(2) = (3/4) / (3/6) = 3/2 log₅ 5 = 1.5
Ответ: 1.5