§14条件付き極値問題2

Round-16 hunt: picked; source: deeper uploads from a strong channel already live; channel already live on Lumen; strict per-title check + final strict pass; title rules; oEmbed verified.

A 21-minute video from 津川光太郎 大学数学[数学科]講義: “§14条件付き極値問題2”.

Video by 津川光太郎 大学数学[数学科]講義, played through YouTube's embedded player.