Question: Let (an) be a sequence and f :2 liminfan its limit inferior. (a) Prove that for every 5 > 0, there are only finitely many

Let (an) be a sequence and f :2 liminfan its limit

Let (an) be a sequence and f :2 liminfan its limit inferior. (a) Prove that for every 5 > 0, there are only finitely many m E N such that am 0, there are infinitely many an: E N such that am

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