"tweaking" the Fermat last theorem equation

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  • Опубліковано 16 жов 2024
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КОМЕНТАРІ • 46

  • @maurobraunstein9497
    @maurobraunstein9497 2 місяці тому +57

    Wait wait wait, you're just gonna say that there are no solutions for n ≥ 3 without a proof? What, is the proof too wide to fit on the board?

    • @Ahmed-Youcef1959
      @Ahmed-Youcef1959 2 місяці тому +2

      The proof is too complicated . look at Wikipedia to get an idea
      en.wikipedia.org/wiki/Fermat%27s_Last_Theorem

    • @thenateman27
      @thenateman27 2 місяці тому +30

      ​@@Ahmed-Youcef1959it can be hard to tell in a comment, but I'm 90% sure they were making a joke

    • @gazooy45
      @gazooy45 2 місяці тому +4

      😂

    • @cameronbigley7483
      @cameronbigley7483 2 місяці тому +2

      Don't be alarmed, he does have a proof, but the file size of *that* video is too large for UA-cam to handle.

    • @enricoognibene1582
      @enricoognibene1582 2 місяці тому +2

      @@thenateman27 Guess you can push your estimate to 99.9999… 😂

  • @garrettthompson3286
    @garrettthompson3286 2 місяці тому +30

    2^n + 2^n = 2^(n+1), gg

    • @versacebroccoli7238
      @versacebroccoli7238 2 місяці тому +2

      Usually x, y are intended to be different integers. But I like this one anyways.

    • @Kettwiesel25
      @Kettwiesel25 2 місяці тому +10

      ​@@versacebroccoli7238 no they aren't. This is a common misconception among non-mathematicians and one of the first things you learn when starting to study mathematics at a university level. If it is not specified that x and y are different, then they might be the same.

  • @Pizhdak
    @Pizhdak 2 місяці тому +24

    Oh hell na jigsaw

  • @gp-ht7ug
    @gp-ht7ug 2 місяці тому +9

    I like Fermat and all his consequences

  • @goodplacetostop2973
    @goodplacetostop2973 2 місяці тому +15

    10:25

  • @Khashayarissi-ob4yj
    @Khashayarissi-ob4yj 2 місяці тому

    With luck and more power to you.
    hoping for more videos.

  • @alipourzand6499
    @alipourzand6499 2 місяці тому

    Since in the example 81 is a perfect square of a perfect square, with a=1 and b=2 :
    x^3 + y^3 =z^5 (z = 81)
    x^3 + y^3 =z^2 (z = 9^5)
    x^3 + y^3 =z^4 (z = 3^5)
    But with a=2 and b=3:
    x^3 + y^3 =z^5 (z = 1225 = 35^2)
    x^3 + y^3 =z^2 (z = 35^5)
    Probabely there is still a lot to do with this equality ...
    Great video

  • @Alan-zf2tt
    @Alan-zf2tt 2 місяці тому

    There is a lot of beauty in this and the presentation of it.
    Sublime Michael, perfectly sublime 🌟
    OR: Never underestimate the Fundamental Theorem of Arithmetic
    Which, come to think of it, must mean there are some interesting modular arithmetic insights no?
    EDIT: hmmm .... @ 5:29 nv - mu = 1 is uncannily like the determinant of a 2 by 2 matrix with values n, m, u, v arranged in the most suitable order.

  • @JohnDalbec
    @JohnDalbec 2 місяці тому

    I could swear I read something saying that x^l+y^m=z^n was a Clay Millennium Problem but I can't find it now.

    • @aadfg0
      @aadfg0 2 місяці тому

      Beal's conjecture, slightly different

  • @johns.8246
    @johns.8246 2 місяці тому

    Why won't you show the cases where l and m aren't equal or where gcd (l,m,n)=2 ?

    • @nunziac4853
      @nunziac4853 2 місяці тому +1

      Gcd (l,m,n)=2 has infinite solutions and those are the pythagorean triples

  • @shruggzdastr8-facedclown
    @shruggzdastr8-facedclown 2 місяці тому

    What about Fermat's Lost Theorem?
    😏

  • @alre9766
    @alre9766 2 місяці тому +3

    I did an Excel sheet and there are several problems with the formula I noticed
    1/ (x^m+y^m=z^n) for m=3 and n=5, The values a=1 and b=4 gives x=274625, y=1098500 and z=4225, and it doesn't work
    2/ for m=3 and n=5, you said we need to the find values u and v such as nv-mu=1. You found the smallest set u=3 and v=2. But other sets that respect this equality such as u=8 and v=5 gives values for x, y and z that don't work for any values a and b I picked
    3/ I thought just the smallest values u and v made it work; But for m=5 and n=7, the set u=4 and v=3 doesn't give correct values for x,y and z for any values a and b I picked

    • @WRSomsky
      @WRSomsky 2 місяці тому +5

      I believe you're running into the problem that Excel isn't computing exact integer answers -- at some point, it's switching over to floating point. After all, z^5 = 4225^5 is approx 1.34E+18. That's going to be a nineteen digit number.

    • @alre9766
      @alre9766 2 місяці тому

      @@WRSomsky Thanks. It works on Wolfram Alpha

    • @Alan-zf2tt
      @Alan-zf2tt 2 місяці тому

      I knew some researchers who would not touch Excel for anything serious. Basis:
      Excel algorithms are not made public and so compromises independent peer group reviews. Essential for any serious researcher.
      and
      Add 1/3 * 10^19 to 1/3 * 10^(-19) then do some complicated stuff that messes decimal point accuracy.
      Computers as a rule do not do real real numbers and are always are reduced to a limited subset of quotients and powers

  • @milanrebic9650
    @milanrebic9650 2 місяці тому

    L. Auby?

  • @Qermaq
    @Qermaq 2 місяці тому

    Michael, it's rare I'm captivated by a problem. Haven't watched the video yet but the thumbnail alone led me down some super fun garden paths. Now I will see what you intend.

  • @3141minecraft
    @3141minecraft 2 місяці тому +4

    0:23 that is not entirely correct because a=b=c=0 is a solution. The correct statement should be "There are no positive integer solutions"

    • @Crusademashup-zz6ls
      @Crusademashup-zz6ls 2 місяці тому +3

      remember that anglos think that N*=N, despite R*=/=R, Q*=/=Q and C*=/=C

    • @YoutubeBS
      @YoutubeBS 2 місяці тому

      ​@@Crusademashup-zz6ls well that's because subtraction is defined in all of these but not in N

    • @Regimeducamp
      @Regimeducamp 2 місяці тому

      @@UA-camBS So what ? He is not talking about binary operations, only about the definition of a natural number.

    • @mattischikh3632
      @mattischikh3632 2 місяці тому

      @@Crusademashup-zz6ls They also confuse monogenous groups and cyclic groups

    • @user-SK22-calc
      @user-SK22-calc 2 місяці тому

      just say non-trivial sols don't exist.