(2x^2-x^3)^(1/3)
Assuming the principal root | Use instead

Input

(2 x^2 - x^3)^(1/3)

Alternate form

(-((x - 2) x^2))^(1/3)

Roots

x = 0
x = 2

Derivative

d/dx((2 x^2 - x^3)^(1/3)) = ((4 - 3 x) x)/(3 (-((x - 2) x^2))^(2/3))

Local maximum

max{(2 x^2 - x^3)^(1/3)} = (2 2^(2/3))/3 at x = 4/3