>>183
j^(1/2)
=(cos(π/2)+j*sin(π/2))^(1/2)
=(e^(j*π/2))^(1/2)
=e^(j*π/4)
=cos(π/4)+j*sin(π/4)
=(1+j)/√2

(1-j)^(2/3)
=((cos(π/4)-j*sin(π/4))*√2)^(2/3)
=((cos(-π/4)+j*sin(-π/4))*√2)^(2/3)
=((e^(-j*π/4))^(2/3))*2^(1/3)
=(e^(-j*π/6))*2^(1/3)
=(cos(-π/6)+j*sin(-π/6))*2^(1/3)
=(√3-j)/2^(2/3)