suppose San and Ση are series with positive terms and bn is known to be divergent. n (a) If an> bn for all n, what can you say about an? Why? a diverges by the Comparison Test. O We cannot say anything about an Ο Σ a converges if and only if n n.an z bn a converges if and only if 2a, ² b > a converges by the Comparison Test. (b) If an < b for all n, what can you say about an? Why? b Ο Σan converges if and only if an S n 4 a converges by the Comparison Test. a diverges by the Comparison Test. Ο We cannot say anything about San b O a converges if and only if an n

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