Question [5]: In preparation for the next assignment, in which we will look a bit at EV and CV, derive the Hicksian demand function for 1. (Cobb-Douglas) u(x) = x^2-^; a (0,1). 2. (Leontief) u(x) = min{al1, X2}, a > 0. 3. (perfect substitute) u(x) = ax + 22; a > 0