Question

Найдите значение числового
a)$sqrt[4]{16*625}$
б) $81^{-0,75}+( frac{1}{125})^-frac{1}{3}-( frac{1}{32})^ -frac{3}{5}$

Answer 1

a) A= (2^4·5^4)^(1/4) = 2·5 = 10
b) B= (3^4)^(-3/4) + (5^(-3))^(-1/3) - ((2^(-5))^(-3/5) = 
       = 3^(-3) + 5 - 2³ = 1/27 + 5- 8 = -2' 26/27