Determine the convergence of each series. Justify your answer with an explanation and a convergence test. (a) (2 points) 0 ,1 mt \"2220(4) cos(?), (b) (2 points) (c) (2 points) (d) (4 points) . 1 n (Hint: Use this very famous limit 11m (1 + ) = e z 2.71) \"+00