determine whether the following series diverges Σ ( - 1/1 ) ² K=0 let a so represent the magnitude of the terms of the given series. Identify and describe ak. A. a and for any index N, there are some values of k>N for which sak. Ja and some values of K&N for which ap а кто akti B: a = - is nonincreasing in magnitude for k greater than some index C. ax = _ is nondecreasing in magnitude for k greater than some - index N. Does this series converge or diverge? lim ak = ? K-∞

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A: (1).  The given series: ∑n=3∞ (n+2)(n+1)3

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A: we are allow to solve one question at a time  thank you

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