Question

11 класс , помогите плиз

Answer 1

(∜(a^3 ))^(-4/3)=(a^(3/4) )^(-4/3)=a^(3/4*(-4/3) )=a^(-1)=(1 )/a      

a^(3/4)*√(8&a^5 )=a^(3/4)*a^(5/8)=a^(3/4+5/8)=a^(6/8+5/8)=a^(11/8)=a√(8&a^3 )