Question: Let {an} be a positive sequence such that Determine whether the following series converge or diverge: lim Van = 1/2. n

Let {an} be a positive sequence such that lim Van = 1/2. nDetermine whether the following series converge or diverge:

(a) 00 n=1 20 (5) n=1 3" an n=1

lim Van = 1/2. n

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