【マジ？】「円周率π=2」の証明がヤバい。直感が裏切られる数学の罠

-------Summary------- "Pi equals 2"...Soma? I found a proof video that made me doubt my eyes. This logic seems perfect at first glance, but can you spot what's wrong with it? ????????? Source:    • π=2の証明   #Related Videos    • 【東大伝説】π＞3.05を証明せよ！...と思ったらタルトだった件についてｗｗ      • 【大学数学入門】0.999...=1を「ε-δ論法」で証明！中学生でも分かるように解説      • 【直感VS数学】99%が間違える？意外と難しい「確率」の問題に挑戦！   --Tonsuke's Profile-- Junior High: Online game addict (20,000 hours of play) High School: Public high school with a 43偏差値 (deviation score), repeatedly failing English University: Graduated at the top of his class from Ritsumeikan University, Department of Mathematical Sciences Graduate School: University of Washington Graduate School (Probability Specialist) 　　　　Withdrew after developing depression and being diagnosed with a rare disease Currently: Active staff data scientist (manager) / business consultant 📩 For work inquiries and consultations Please feel free to contact me by email for the following requests and consultations! Math tutoring (learning consultations and advice also welcome) Data Science (DS) outsourcing (data analysis, data science projects, etc.) Referral DS recruitment (for experienced professionals. Casual interviews also welcome!) ✉️ [email protected] 🐶 Support & Links 🐶 ▼ Become a member and support us    / @tonnsuke   ▼ Goods store https://suzuri.jp/tonnsuke?utm_source... ▼ LINE stamps http://www.line-tatsujin.com/detail/a... 📷 Filming Equipment Camera Used: https://amzn.to/4lPOXbf Lens Used: https://amzn.to/4rYEwUj Microphone Used: https://amzn.to/4bBoHwo ⚠️ Notes *Links include Amazon Associates. *Comments without a heart emoji (💛) cannot be read by the system.