My favorite proof of the n choose k formula!

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  • Опубліковано 23 гру 2024

КОМЕНТАРІ • 67

  • @Mrcloc
    @Mrcloc 10 місяців тому +16

    You're a good teacher. You repeat things without sounding like you're repeating them. Gives time for things to sink in and gives a few ways to think about it.

  • @azzeddinebekkari1935
    @azzeddinebekkari1935 Рік тому +11

    I am a mathematics Ph.D. student, and I use this formula all the time I never thought of its proof, I really found this proof elegant and well explained. Thanks.

  • @vanishmanesh
    @vanishmanesh Рік тому +7

    Really elegant and clearly communicated. You're underrated. Thanks

  • @reshmabhagwat7832
    @reshmabhagwat7832 Рік тому +4

    Very good, but need to watch this again and again to grasp it completely. Generalizations are always more difficult to prove than specific cases. Thank you.

  • @dr.mikelitoris
    @dr.mikelitoris 2 роки тому +40

    Sorry babe you’ll have to wait mu prime math just uploaded

  • @jorgeuliarte2641
    @jorgeuliarte2641 2 роки тому +14

    Very good, as ever. Thanks for your efforts to bring this science to everybody. From Salzburg, Jorge

  • @ianyu4281
    @ianyu4281 5 місяців тому

    ACT student here. had a question that needed this equaiton for a question. Explanation really made it clear how this works. Thanks

  • @chandansinghdhami2005
    @chandansinghdhami2005 2 роки тому +3

    I am learning from nepal. I love the way you teach.

  • @frankyin8509
    @frankyin8509 2 роки тому +5

    bravo 👏🏻 i’ll never forget the induction of that formula

  • @farrukhazfar6185
    @farrukhazfar6185 7 місяців тому

    Best proof of this I've ever seen - I wish you had been my high school teacher

  • @t0ny360
    @t0ny360 10 місяців тому

    Amazing proof! Very easily digestible, great content

  • @deathstorm1190
    @deathstorm1190 3 місяці тому

    this feels like factor groups in abstract algebra, each subset of permutations feel like a coset. but what is the normal subgroup? or is this just completely different?

  • @mrigayu
    @mrigayu 2 роки тому +2

    Love the t-shirt! And that is indeed a great proof

  • @DirtyHuman4831
    @DirtyHuman4831 2 роки тому +3

    Lovely proof.
    This video can be enjoyed by any level of student.

  • @eldestisland4520
    @eldestisland4520 2 роки тому +2

    This was extremely clever! Thanks for the explanation 👍

  • @gffhvfhjvf4959
    @gffhvfhjvf4959 8 місяців тому

    Beautiful and intuitive proof

  • @ishikuultra8997
    @ishikuultra8997 5 місяців тому

    where can i get that shirt?

  • @Couldyanot
    @Couldyanot Рік тому +1

    What a perfect explanation, well presented as well

  • @MrsBostic-h2i
    @MrsBostic-h2i Рік тому +1

    Clearly stated.
    luved it!
    Bravo'

  • @fromhua
    @fromhua 3 місяці тому +1

    why do we have to multiply n choose k at the end to make n!😢😢

  • @aditya_arya
    @aditya_arya Рік тому +1

    sorry but i couldnt get it after 1:30, maybe it was just me

  • @jfcrow1
    @jfcrow1 2 роки тому +3

    k! is order mattering -> (n-k)! is order mattering. -> n! is number of orderings with ordering mattering -> n choose k is ordering not mattering Whattt?

    • @fullaccess2645
      @fullaccess2645 2 роки тому

      when you group them in boxes, many orders go to a single point. you only have to figure out the total number of orders (n!), and the number on of orders per box (k!(n-k)!).Then you divide the total by the boxes' total and you get the amount of points.

  • @tomkerruish2982
    @tomkerruish2982 2 роки тому +4

    Nicely done! Still waiting for you to start lecturing from 201 Bridge or 22 Gates.😁

  • @themathsgeek8528
    @themathsgeek8528 2 роки тому +2

    This is a cool proof! Thanks :)

  • @dqrksun
    @dqrksun 2 роки тому +2

    Cool intuitive proof!

  • @jonathangordon4428
    @jonathangordon4428 8 місяців тому

    Is there a simple algebraic proof for why these binomial coefficients are integers, given that formula? i can see why either (n-k)! or k! divide n!, but not why the product (n-k)!k! divides n! ... Seems spooky to me

  • @handlebred
    @handlebred 4 місяці тому +1

    Great video bro

  • @roberttomi8800
    @roberttomi8800 Рік тому

    So well explained, thanks

  • @leoWorldBestGamer
    @leoWorldBestGamer Рік тому

    Hello im a professer! This is amazing how its proved!

  • @lilblckgrl
    @lilblckgrl Рік тому +3

    Another lefty🎉

  • @reshmabhagwat7832
    @reshmabhagwat7832 Рік тому

    This is brilliant. What I think though, is, you can add some specific example and explain it in the same way. I know that if you would have explained it with just an example, I would have asked about the generalization after that. But first general proof and then an example, I think is be better. Do not worry though, because I am trying an example myself. Thank you for a great explanation. Please let it be my favorite too.

  • @Lavamar
    @Lavamar Рік тому

    Really well explained, thanks.

  • @bilalabbad7954
    @bilalabbad7954 2 роки тому +1

    Thanks for explanation

  • @ghaida101
    @ghaida101 Рік тому

    Well explained. Thanks!

  • @chriserickson
    @chriserickson 7 місяців тому

    Thanks. Should help with my test.

  • @joetursi9573
    @joetursi9573 2 роки тому +1

    So nice!

  • @pdjibril
    @pdjibril 2 роки тому +1

    Awesome!

  • @dwoodlock
    @dwoodlock 5 місяців тому

    That was great.

  • @joelklein3501
    @joelklein3501 2 роки тому +1

    Fantastic!

  • @SimchaWaldman
    @SimchaWaldman 2 роки тому +1

    Very nice!

  • @kca698
    @kca698 Рік тому +1

    first time ive noticed someone writing overhanded, with a functional hand

  • @srivatsav9817
    @srivatsav9817 2 роки тому +1

    Nice video!

  • @armanzanjani9249
    @armanzanjani9249 Рік тому

    Very helpfull!

  • @ketlebelninja
    @ketlebelninja Рік тому +1

    You make this look so easy..m thanks

  • @ia6761
    @ia6761 3 місяці тому

    beautiful

  • @tsunningwah3471
    @tsunningwah3471 2 місяці тому

    are u a teacher in a uni?

    • @MuPrimeMath
      @MuPrimeMath  2 місяці тому +1

      No, I'm still a student!

  • @davide816
    @davide816 Рік тому

    perfect

  • @999_blake
    @999_blake 3 місяці тому

    Legends watching before Exams

  • @nuklearboysymbiote
    @nuklearboysymbiote 2 роки тому

    Yooo thats pretty goood

  • @kub8675
    @kub8675 3 місяці тому

    Holy shit dude I get it

  • @samstreet6595
    @samstreet6595 2 роки тому

    That was a cool

  • @VIDHEESHKUMARKASANAGOTTU-s3w
    @VIDHEESHKUMARKASANAGOTTU-s3w 10 місяців тому

    😊

  • @DimitriMissentos
    @DimitriMissentos Рік тому

    Whaou😊

  • @TravisSmith-f8r
    @TravisSmith-f8r Рік тому

    Travith B.I.B.L.E

  • @princessdacecantila1441
    @princessdacecantila1441 2 роки тому

    Tama Bayan ang answer

  • @TravisSmith-f8r
    @TravisSmith-f8r Рік тому

    mathematical bible

    • @bayan9463
      @bayan9463 7 місяців тому

      😂 literally

  • @Impillion
    @Impillion Рік тому

    Excellent video sir

  • @VIDHEESHKUMARKASANAGOTTU-s3w
    @VIDHEESHKUMARKASANAGOTTU-s3w 10 місяців тому

    😊

  • @princessdacecantila1441
    @princessdacecantila1441 2 роки тому

    Tama Bayan ang answer

  • @VIDHEESHKUMARKASANAGOTTU-s3w
    @VIDHEESHKUMARKASANAGOTTU-s3w 10 місяців тому

    😊