Test the following series for convergence or divergence. If the series converges, determine whether it is absolutely or conditionally convergent: (a). 1. / (b). (c). 1 ∞ n=1 ∞ ∞ (-1) n. n=1 n=1 (-2) n³ √n+1-√n n Σ(-1)n-1 (n-1) n² + 1

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