How can I calculate the following sum?
any hint please? I am beginner in such things, i have tried to make a decomposition for the denominator but no result $$\sum_{n=0}^\infty \frac{1}{1+n^2}=?$$
2026-05-14 19:04:03.1778785443
How to calculate the following: $\sum_{n=0}^\infty \frac{1}{1+n^2}=\;\;?$
116 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in CALCULUS
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