Answer
$(2/3)x^{-2/3}+(4/3)x^{1/3}$
Work Step by Step
Distribute the $x^{1/3}$
$2x^{1/3}+x^{4/3}$
Differentiate using the power and constant multiple rule. Keep the constant, bring down the original power (n), and multiply by $x^{nā1}$
$2*(1/3)x^{-2/3}+(4/3)x^{1/3}$