Question 1006934
{{{64^(2/3)+(-27)^(2/3)}}}


{{{root(3,64^2)+root(3,(-27)^2)}}}


{{{root(3,(4^3)^2)+root(3,(-3^3)^2)}}}


{{{root(3,(4^3)(4^3))+root(3,((-1)^2)(3^3)(3^3))}}}


{{{4*4+3*3*(-1)^(2/3)}}}......................since {{{(-1)^(2/3)=-0.5 +0.866*i}}} we have


{{{16+9(-0.5 +0.866*i)}}}


{{{16-4.5 +7.794*i)}}}


{{{11.5 +7.794*i)}}}