Mathematical Study on Alternating Series in a Regular Hexagon–Proof without Words: Exploring a Novel Proof Method for Summation of Alternating Series in a Regular Hexagon. JASRAE [Internet]. 2019 Mar. 1 [cited 2026 Mar. 13];16(4):1740-. Available from: https://ignited.in/index.php/jasrae/article/view/10727