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(Solved): Determine whether the series \( \sum_{k=1}^{\infty} \frac{(-1)^{k} \cos (\pi k)}{4 k+3} \) converg ...



Determine whether the series \( \sum_{k=1}^{\infty} \frac{(-1)^{k} \cos (\pi k)}{4 k+3} \) converges absolutely, converges co

Determine whether the series \( \sum_{k=1}^{\infty} \frac{(-1)^{k} \cos (\pi k)}{4 k+3} \) converges absolutely, converges conditionally or diverges. a) converges absolutely b) converges conditionally c) cannot be determined d) diverges


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