Finding the sum of n squares part 2

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  • Опубликовано: 25 ноя 2013
  • More free lessons at: www.khanacademy.org/video?v=Mk...

Комментарии • 12

  • @sotocsick3195
    @sotocsick3195 6 месяцев назад +1

    I have been seing visual proofs all over youtube but this really helped. just watched it on two times speed and I understood everything perfectly. Thanks for making this.

  • @Nuram0
    @Nuram0 9 лет назад +5

    Hey pretty impressive video! I really enjoy the quality of your videos! May i ask you for the setup you use to make these videos? I thought it would be a lot more practicable to use a graphics tablet instead of a tiny whiteboard :/ greetings

  • @a.nu.beginning
    @a.nu.beginning 5 лет назад +11

    Yippee 😤... I just solved the 'Sum of CUBES of the first n natural numbers' on my own and got [n(n+1)]^2/4

  • @lapicethelilsusboy491
    @lapicethelilsusboy491 Год назад

    Such a clever way of figuring out the generalized formula!!

  • @gouthamkumar4844
    @gouthamkumar4844 3 года назад +1

    This is just a fantastic explanation which I have ever seen

  • @aformula4198
    @aformula4198 5 лет назад +1

    Wow!what an interesting proof

  • @khaironchan2309
    @khaironchan2309 Год назад +1

    how do we know that if the difference of differences is quadratic and so on

  • @bobmichael8735
    @bobmichael8735 6 месяцев назад

    you can use this proof for sum of n cubes?

  • @ericd6035
    @ericd6035 6 лет назад

    no idea

  • @cheeftnx97
    @cheeftnx97 10 лет назад

    Because it's math.