Question #55601
Determine if the series converge absolutely, converge conditionally, or diverge. If it is absolutely convergent, find its sum.
a) ∑ (3/(n(n+1)) + 2^-n), n=1 to infinity
b) ∑ (cos(nπ)·arctan(n)), n=1 to infinity
a) ∑ (3/(n(n+1)) + 2^-n), n=1 to infinity
b) ∑ (cos(nπ)·arctan(n)), n=1 to infinity
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#340153 on Dec 2023
#340153 on Dec 2023
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