(a) The series For the following answer blanks, decide whether the given sequence or series is convergent or divergent. If convergent, enter the limit (for a sequence) or the sum (for a series). If divergent, enter 'infinity' if it diverges to ∞, '-infinity' if it diverges to - or 'DNE' otherwise. n=1 (b) The sequence 2n 15 2n an = 2n 15 - 2n 2n 15 - 2n

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