Determine which of the following expressions are equivalent to x2/3⋅x−1/6x1/2\frac{x^{2/3} \cdot x^{-1/6}}{x^{1/2}}x1/2x2/3⋅x−1/6.
x0x^0x0
111
x1/3x^{1/3}x1/3
x−1/3x^{-1/3}x−1/3