大学入試数学解説：京大2011年理系第5問【空間図形ととりうる値】

About possible values ​​and the inverse image method:    • 同値を制する者、受験数学を制する［14.とりうる値の範囲］   ＝＝＝＝＝ My name is Masaki Koga, and I publish videos explaining mathematics. For my profile and more, please check out my Twitter and website! Please subscribe to my channel! Commentary: Masaki Koga ◆Website: http://mkmath.net/ ◆YouTube Lecture Video Collection: http://mkmath.net/youtube/ ◆Twitter:   / 4p_t   ◆Lecture Notes Public Page: https://note.com/masakikoga1 I'm publishing the lecture notes for each video for a monthly fee of 140 yen. Please consider supporting me with the equivalent of one plastic bottle. ◆Wish List: https://www.amazon.jp/hz/wishlist/ls/... ※Support for filming equipment, books, etc. would be greatly appreciated. Although it does include personal food items, please understand that it is merely a personal wish list.