If E 0,.(3: 4)\" converges at m = 9 and diverges at x = 12, what can you say about: (a) the convergence at a: = 13'? 7 t (b) the convergence at a: = 11? I? A . V (c) the convergence at a: = 10? 7 (d) the convergence at a: = 0? ? 4}