Which of the following statement is true for the alternating series below? 8 Σ(-1). n=0 n5+1 The Alternating Series test cannot be used, because bn is not decreasing. 1 n5 +1 None of the others. O The series diverges by Alternating Series test. = O The Alternating Series test cannot be used, 1 #0. 5+1 because lim n→∞ n°

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Q: The series (-1)nộ2 + 5 sin 21 is [ Select ] 4 n3/2 + 5 n=2

A: Clearly the series is an Alternating series,since  the terms are changing its sign.

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A: see 2nd step

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A: (a) Given ∑k=0∞rk=11-r ∴∑k=0∞-1kxk=∑k=0∞-xk=11--x        ∵∑k=0∞rk=11-r=11+x Hence proved.

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A: Solution:

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