Consider the following series. Σ sin( (2n = 1)π) 2 n = 1 Rewriting the sum in the form (-1)^ +1, n = 1 O converges ● diverges an gives a = X Find the following limit. (If the limit is infinite, enter 'co' or '-co', as appropriate. If the limit does not otherwise exist, enter DNE.) lim a = 0 816 X Determine the convergence or divergence of the series. (-1)"

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