A surprising integral result

Exploring a generalized integration result for certain functions with a cool example towards the end.
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Пікірлер: 19

  • @skyethebi
    @skyethebi27 күн бұрын

    8:55 you can actually make this even nicer by turning the sum of trig functions into just a sine function because sin(a) + cos(a) = sqrt(2)sin(a + pi/4) and in this case the sqrt(2) would cancel with the sqrt(1/8) leaving us with: 1/α * sqrt(π/4)sin(2αβ + π/4)

  • @3manthing
    @3manthing28 күн бұрын

    Excuse me for being pedantic, but I would distribute (√2)/2 inside parenthesis and write them as sin(π/4) and cos(π/4) so trigonometric addition theorem could be used, to write the result as √(π)/(α)cos(2αβ-π/4) or √(π)/(α)sin(2αβ+π/4) 🤓

  • @namanhnguyen7933

    @namanhnguyen7933

    27 күн бұрын

    oh yes that's what i thought too

  • @MrWael1970
    @MrWael197027 күн бұрын

    Thank you for this interesting analysis.

  • @RajKhan-yw5co
    @RajKhan-yw5co28 күн бұрын

    Awesome lecture

  • @lakshay3745
    @lakshay374528 күн бұрын

    This was so satisfying ngl

  • @insouciantFox
    @insouciantFox28 күн бұрын

    You know any integrals/DE's using the Airy functions Ai(x),Bi(x)?

  • @maths_505

    @maths_505

    28 күн бұрын

    I'll do some searching my friend

  • @verp4779

    @verp4779

    28 күн бұрын

    Like y’’=xy

  • @qdphi
    @qdphi28 күн бұрын

    Damn. This was so nice.

  • @giuseppemalaguti435
    @giuseppemalaguti43526 күн бұрын

    I=(√(π/2)/4α)(cos(2αβ)+sin(2αβ))

  • @arunknown2177
    @arunknown217722 күн бұрын

    2:52 - it's supposed to be beta squared, right?

  • @CM63_France
    @CM63_France26 күн бұрын

    Hi, "ok, cool" : 1:47 , 3:47 , 6:32 , "terribly sorry about that" : 4:21 , 7:21 .

  • @Commonstories-lz1mk
    @Commonstories-lz1mk27 күн бұрын

    Now do it with complex analysis

  • @xizar0rg
    @xizar0rg28 күн бұрын

    Is it sufficient for alpha and beta to have the same parity?

  • @maths_505

    @maths_505

    27 күн бұрын

    Oh yeah perfectly fine

  • @Jalina69
    @Jalina6926 күн бұрын

    Late night candy

  • @peppa67206
    @peppa6720628 күн бұрын

    1 minute and no views?? He really fell off.