40.2. A free particle moving in one dimension has wave function Y(x, t) = A[ei(kx-wt) - (2kx-4wt)] where k and w are positive real constants. (a) At t = 0 what are the two smallest positive values of x for which the probability function (x, t) is a maximum? (b) Repeat part (a) for time t = 2/w.