Question: (c) Determine whether the infinite series E (-1) sin(n) n=1 n2 (n + 1) is either absolutely convergent, conditionally convergent or divergent. State clearly any


(c) Determine whether the infinite series E (-1)" sin(n) n=1 n2 (n + 1) is either absolutely convergent, conditionally convergent or divergent. State clearly any test which is used
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