Solution 86: Double Factorial and Roots of Unity Filter (Proof)
- Published on Apr 4, 2019
- We prove the roots of unity filter and apply it to evaluate a fascinating summation.
Congratulations to Gabriel N., Essentials of Math, Peter, fmakofmako, Hiren Bavaskar, Paco Libre, aby p, santosh tripathy, Proof by Meme, and Mushishi2872 for successfully solving this math challenge question! Gabriel N. was the first person to solve the question.
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