[5] (a) Consider the radial function ho(r) = er/202, where r = x+ y. Compute the 2D Laplacian Vho(x + y)]. (b) A certain X-ray imaging geometry produces a blurring degradation that can be mod- eled as the convolution of the sensed image with spatial, circularly symmetric function h(r) = [(r - 20)/0e-2/202, where 22+y2. Show that the degradation in the frequency domain is given by the expression H(u, v) -832 (u + v) e-x (u +v). =-