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 P: 94 1. The limit of (1+ 1/n)^n as n goes towards infinity is e. Since the question asks (1+ 1/n)^2n the answer is e^2. Just take the limit of (1+ 1/n)^2n as n goes towards infinity. 2. the limit as arctan(n) goes to inifinity is infinity, thus arctan(n) diverges.