1998年東京大学理系数学後期第3問 - SERP Analysis

https://stchopin.hatenablog.com/entry/2022/06/13/184853

https://note.com/heelindog/n/n939b7f38dbc8

https://www.youtube.com/watch%3Fv%3D4k2xj4GbHi8

https://kojosaikoigakubugoukaku.com/2023/03/22/1998%25E5%25B9%25B4%25E3%2581%25AE%25E6%259D%25B1%25E5%25A4%25A7%25E5%25BE%258C%25E6%259C%259F%25E6%2595%25B0%25E5%25AD%25A6%25E3%2581%25AE%25E3%2582%25B0%25E3%2583%25A9%25E3%2583%2595%25E5%2595%258F%25E9%25A1%258C%25E3%2581%25AE%25E8%25A7%25A3%25E7%25AD%2594%25E4%25BE%258B/

https://examist.jp/legendexam/1998-tokyo/

https://stchopin.hatenablog.com/entry/2022/05/31/153334

https://www.itmedia.co.jp/news/articles/2505/01/news095.html

https://www.youtube.com/watch%3Fv%3DmH_CQ5qFzss

https://web.quizknock.com/todai-math

https://togetter.com/li/2543553