I've seen a few posts already discussed about this problem but i want to know is there another way to solve without using residue theorem ,because it may be a challenge for me if it's possible to solve $$\sum_{n=1}^{\infty} \frac{1}{n^3\sin(\sqrt2n\pi)}.$$
2026-03-30 11:57:14.1774871834
Evaluate $\sum_{n=1}^{\infty} \frac{1}{n^3\sin(\sqrt2n\pi)} $ without using Residue theorem
159 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in SEQUENCES-AND-SERIES
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