Question 882724
{{{ x^(2/3)(x^(1/3)+x^(-2/3))= x^(2/3)x^(1/3)+x^(2/3)x^(-2/3)}}}
{{{ x^(2/3)(x^(1/3)+x^(-2/3))= x^(2/3+1/3)+x^(2/3-2/3)}}}
{{{ x^(2/3)(x^(1/3)+x^(-2/3))= x^1+x^(0)}}}
{{{ x^(2/3)(x^(1/3)+x^(-2/3))= x+1}}}