ChallengeSuperchallengeIntegrals I: Feynman's Trick ShareIntegrals I: Feynman's Trick · Superchallenge problemEvaluate ∑n=1∞14n2−1\displaystyle\sum_{n=1}^{\infty} \frac{1}{4 n^{2} - 1}n=1∑∞4n2−11.Check Show answer Walk through it step by step Practice more like this Review this concept