For the beam and loading shown, (a) express the magnitude and location of the maximum defl...

For the beam and loading shown, (a) express the magnitude and location of the maximum deflection in terms of w0, L, E, and I. (b) Calculate the value of the maximum deflection, assuming that beam AB is a W18 × 50 rolled shape and that w0 = 4.5 kips/ft, L = 18 ft, and E = 29 × 10⁶ psi.