2/3 x
x^(2/3)
Apply the power rule: x23x^{\frac{2}{3}}x32 goes to 23x3\frac{2}{3 \sqrt[3]{x}}33x2
The answer is:
2 ------- 3 ___ 3*\/ x
-2 ------ 4/3 9*x
8 ------- 7/3 27*x