True or False. If true, prove it. If false, give a counter example (and show that your example is in fact a counter example). (a) (5 Marks) If liIn (Gnu an) 2 0, then the sequence {(171}le converges. 11,)00 (b) (5 Marks) If 11111 a,\" = 0, then 2 an converges. noo 71:1