How would you solve this question?

Answer:
D) ½
Step-by-step explanation:
∛(x√x) = xᵇ
Cube both sides.
x√x = x³ᵇ
Square both sides.
x² x = x⁶ᵇ
x³ = x⁶ᵇ
Equate the exponents.
3 = 6b
b = ½