4n Find the limit of the sequence an = 4n and then determine if the Divergence Test applies to the series 2n2+1 2n2 +1 n=1 (a) lim a, 4n (b) Does the Divergence Test apply to the series ? No, so we cannot use the Divergence Test to determine if this series converges or diverges. v 2n2 +1

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