Determine whether the following series converges. 8 5(-1)k Σ 5k+6 k=0 Let ak 20 represent the magnitude of the terms of the given series. Identify and describe ak. Select the correct choice below and fill in any answer box in your choice. OA. ак = O B. ak OC. ak= Evaluate lim ak. k4x lim ak= k4x is nonincreasing in magnitude for k greater than some index N. is nondecreasing in magnitude for k greater than some index N. and for any index N, there are some values of k> N for which ak+12ak and some values of k>N for which ak+1 ≤ak. Does the series converge? No

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