A mesmerizing calculus journey

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  • Опубликовано: 16 окт 2024
  • A lovely calculus problem with a bit of everything.
    Infinite series proof:
    • A surprisingly wonderf...
    My complex analysis lectures:
    • Complex Analysis Lectures
    Support my work and get early access to content via Patreon:
    / maths505
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Комментарии • 40

  • @Slopynthia
    @Slopynthia 22 часа назад +16

    one time i got hit by a bus and Maths505 integrated me back to health. i owe him my life

    • @maths_505
      @maths_505  22 часа назад +4

      😭😭😭

    • @spinothenoooob6050
      @spinothenoooob6050 3 минуты назад +1

      That's so nice of him, now he's my favourite after Leonard goatler

  • @maxvangulik1988
    @maxvangulik1988 День назад +11

    this integral uses:
    •taylor series
    •Laplace transform
    •complex partial fractions
    •digamma
    •trigamma
    •reflection/duplication formulas
    •hyperbolic functions

    • @maxvangulik1988
      @maxvangulik1988 День назад +2

      or whatever the hell he did at 4:35

    • @abdulllllahhh
      @abdulllllahhh 14 часов назад

      Missing Cauchys residue theorem

    • @spinothenoooob6050
      @spinothenoooob6050 3 минуты назад +1

      🤤🤤🤤

    • @maxvangulik1988
      @maxvangulik1988 30 секунд назад

      @@abdulllllahhh i did not use cauchy's residue theorem when solving this integral.

  • @richierob62
    @richierob62 День назад +20

    I’m beginning to think you might figure out backwards time travel.

  • @AyushRajput-xw2ru
    @AyushRajput-xw2ru День назад +4

    The intro voice was 😂 like Mr kamaal sobered his vocal in wine 😂😂

  • @ARUPBERA-ky6mq
    @ARUPBERA-ky6mq 16 часов назад +2

    another method can be by assuming a function in alpha :cos(alpha x)ln(1-e^-x)dx from 0 to infinity and then expanding series of "ln(1-e^-x)=summation of (e^-x)^r/r where r ranges from 1 to infinity using this to get to a function a which i calculated using integartion by parts and it simplifies as a cool result 1/(a^2+r^2) and then differrentiating the function with respect to a and putting a=1 we get the same result

  • @doronezri1043
    @doronezri1043 22 часа назад +2

    Great video! Loved the differentiation under the integral sign (it's actually a property of Laplace Transform) 😊

  • @SkEi-y3b
    @SkEi-y3b День назад +1

    The way you make solving math fun is amazing

  • @aravindakannank.s.
    @aravindakannank.s. 21 час назад +2

    this reminds of the old days where u use multiple results to make a monstrous integrals to submit to u😊😊

  • @augustuskaufmann7263
    @augustuskaufmann7263 День назад +6

    how did you become so good at this? what books did you read (or other resource) to learn all these integration techniques and strategies? I haven’t seen any of this in a calculus textbook.
    Thank you so much, and great video as usual🙏

    • @julioguilarte9438
      @julioguilarte9438 19 часов назад

      interested on this as well

    • @daddy_myers
      @daddy_myers 10 часов назад

      It's quite simple. There is a direct linear relation between a) fucking around, and b) finding out. I'm sure you can see where this is headed, but in short, you just fuck around and find out.

    • @maths_505
      @maths_505  5 часов назад +2

      Exactly 💯

  • @xanterrx9741
    @xanterrx9741 День назад

    Great video , thanks for making it

  • @MrWael1970
    @MrWael1970 17 часов назад

    Very nice. Thanks

  • @Nottherealbegula4
    @Nottherealbegula4 23 часа назад

    This has to be one of my faovrite videos of yours

    • @maths_505
      @maths_505  22 часа назад

      It's one of my favourite integrals...little bit of everything

  • @xenumi
    @xenumi 16 часов назад

    So nice!

  • @turtledudes3843
    @turtledudes3843 День назад +1

    Good problem!

  • @raghavendrasinghchauhan7704
    @raghavendrasinghchauhan7704 Час назад

    Nice one
    Bro, a request , while starting the solution could you elaborate a little more on thought process, what propped into your mind and why you rejected that.
    An intuitive feel for the problem basically

  • @SanAleksiusII
    @SanAleksiusII День назад

    Good stuff

  • @giuseppemalaguti435
    @giuseppemalaguti435 22 часа назад

    I=-2(1/4+1/25+1/100+1/289+1/676+1/1369+1/2500......=-0,61367...ho usato lo sviluppo di ln(1+x) e sinx=Im(e^ix)

  • @yoav613
    @yoav613 23 часа назад

    Very nice! At the end it should be with negative sign -pi/2coth(pi). Oh now i saw you fixed it😅💯💯

  • @achrafhattafi4698
    @achrafhattafi4698 День назад

    As usual , just hero

  • @RBRB-hb4mu
    @RBRB-hb4mu День назад +1

    I’ve solved Einstein’s “Spooky Action” entanglement riddle. Space is being pressed up into your face creating the illusion of time. Time is but an illusion……..

  • @transcendenceistaken
    @transcendenceistaken День назад +2

    What does any of this mean

  • @zubii2017
    @zubii2017 14 часов назад

    A little bit of this a little bit of that aaa video

  • @Leonhardeuler2219
    @Leonhardeuler2219 День назад

    Okay, cool 🎉🎉

  • @spinothenoooob6050
    @spinothenoooob6050 4 минуты назад

    ❤❤❤

  • @waarschijn
    @waarschijn День назад

    6:55 forgot the square

  • @biscuit_6081
    @biscuit_6081 День назад

    Comment for the algorithm:

  • @sethdurais2477
    @sethdurais2477 День назад +2

    First time being first!

  • @zamplify
    @zamplify 15 часов назад

    Twenty-six seconds on "like and subscribe" absolutely ridiculous