' (x-1)(x +1) Σ-υ 2. For the series n=1 п i) use the Ratio Test to determine for what values of x does this series converge ii) for what values of x does the above series diverge. iii) Use the alternating series test to determine the convergence or divergence of Σ-υ1 n=1 n+1 iv) Determine the convergence or divergence of . Justify your answer. n=1 4 m 3.

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