Show that the initial-value problem -Wu''(x) + xu'(x) = cu (IC) u(x, x) = h(x) can have a solution only if h has the form h(x) = bx^0, b: const. Solve this problem if h(x) = x^2. a) u(x) = (2/3)c^(3/2) * x^1.5 b) u(x) = (3/2c) * ln(x) + C c) u(x) = (3/2) * sqrt(c) * x^1.5 d) u(x) = (1/2c) * x^2