Pop-Up Thingie

Too Lazy BBS
  • Home
  • Forum
  • Files
  • Chat
  • Bulletins
  • Top doors
  • MOTD
  • BBS Stats
  • Radio
  • AvatarChat
  • Register
  • Log in

  1. Forum
  2. USENET
  3. sci.math
  • Re: interesting math problem (YT)

    From sobriquet@dohduhdah@yahoo.com to sci.math on Tue Jul 21 18:08:23 2026
    From Newsgroup: sci.math

    Op 17-7-2026 om 23:14 schreef sobriquet:

    https://www.youtube.com/watch?v=mOk63d_JtpI

    Did anyone here solve it?
    My answer came out differently from the answer that the video provides.

    It's a fun problem to visualize.

    https://www.desmos.com/3d/t386kyi6l4

    The solution given in the video seems to neglect the red cells
    visualized here:

    https://www.desmos.com/3d/uhmcudurf5

    Let's snapshot that last link (since I updated the graph):

    https://www.desmos.com/3d/e225oawyt8

    The math problem seems like a paradigmatic example of the utility of the inclusion-exclusion principle in 3D.
    If you arrive at the same answer via two different methods, you can feel
    more confident you got the right answer.

    https://www.desmos.com/calculator/pcoezobeu3
    --- Synchronet 3.22a-Linux NewsLink 1.2
  • Who's Online

  • Recent Visitors

    • Rixter
      Mon Aug 17 10:59:25 2026
      from Madison, Nc via Telnet
    • Sauron
      Mon Aug 17 05:50:20 2026
      from Purgatory via Telnet
    • Sauron
      Sun Aug 16 22:51:04 2026
      from Purgatory via Telnet
    • Rixter
      Sun Aug 16 22:39:57 2026
      from Madison, Nc via Telnet
  • System Info

    Sysop: Amessyroom
    Location: Fayetteville, NC
    Users: 74
    Nodes: 6 (0 / 6)
    Uptime: 01:59:18
    Calls: 1,102
    Calls today: 2
    Files: 1,339
    Messages: 276,958

Download SyncTerm or IcyTerm for best BBS experience. RetroTerm is a web-based alternative also. -- © Too Lazy BBS, 2026