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Cubic Equation | Find all roots

Cubic Equation | Find all roots

A Nice Algebra Problem

A Nice Algebra Problem

Пікірлер

  • @naveenyegireddi4891
    @naveenyegireddi4891Сағат бұрын

    If options are substituted then it's a matter of seconds

  • @user-mg5te3fn7l
    @user-mg5te3fn7l4 сағат бұрын

    Сомножитель " -1 " под корнем должен быть в скобках ! Неучи !

  • @FedorLyudogovskiy
    @FedorLyudogovskiy4 сағат бұрын

    169 = 13^2 = 8^3 - 7^3

  • @huseyinaydogan6928
    @huseyinaydogan69285 сағат бұрын

    this answer is imcomplete. there are infinite amount of solutions.(x=256 is not the only one)

  • @vpgmiramar
    @vpgmiramar6 сағат бұрын

    Nice. Elegant.

  • @user-wy3vl6yq1m
    @user-wy3vl6yq1m7 сағат бұрын

    Пипец как долго, в уме решается за 2 минуту, и выразить а через б их не учат чтоле?

  • @mohamedsalah5525
    @mohamedsalah55259 сағат бұрын

    15

  • @SubasGhosh-bh7ns
    @SubasGhosh-bh7ns9 сағат бұрын

    Awesome❤❤

  • @MargaretCutt-um8iq
    @MargaretCutt-um8iq10 сағат бұрын

    In my simple mind, the answeres would be 3, and absolute value of 3 and -3, the remainder of the solutions seem to be changing the equation. Someone who is smarter than I am, please explain why you would care about creating a negative... this seems overly complicated for the sake of complicating it.

  • @harrymatabal8448
    @harrymatabal844811 сағат бұрын

    Read the question. How many roots. The answer is 3. And you want to waste our time. Go attend English classes

  • @alibarka6490
    @alibarka649012 сағат бұрын

    ❤❤❤❤❤❤

  • @aines7958
    @aines795813 сағат бұрын

    Excellent 👍👍👍 parfait 👍👋🌹🙏🇩🇿

  • @francescomartino6616
    @francescomartino661614 сағат бұрын

    ❤❤🥹👏👏👍👍

  • @is7728
    @is772814 сағат бұрын

    Wow the duration is so long

  • @miracbarsapaydn650
    @miracbarsapaydn65015 сағат бұрын

    m = 379

  • @tringuyen-of5fs
    @tringuyen-of5fs21 сағат бұрын

    X = - 2

  • @streptococcuspneumoniae-ix1ve
    @streptococcuspneumoniae-ix1ve21 сағат бұрын

    X = 1-X 2X = 1 X = 1/2

  • @mirmohamedullah3803
    @mirmohamedullah380322 сағат бұрын

    When you subtract the cube of a number from it's square value and get the result positive, the number must be negative. Hence, try in iterative method starting from -1. For x=-1, it's not true. For x=-2, its true. For x=-3 onwards its the difference is increasing and going beyond the RHS. Hence, x=-2.

  • @bozqurd8039
    @bozqurd803923 сағат бұрын

    Mənim kağıza heyfim gəlir.

  • @williamniver6063
    @williamniver606323 сағат бұрын

    "Verify", not "Varify". Spelling counts.

  • @gogreatwell5811
    @gogreatwell5811Күн бұрын

    先にxの範囲を x > -2 と決めてしまってから 1680を素因数分解後、一部計算して4つの連続した整数の積で表現すると 1680=8x7x6x5 となり、 x+6=8、x+5=7、x+4=6、x+3=5 から、x=2 と解きました。

  • @user-yi7ic4iu7f
    @user-yi7ic4iu7fКүн бұрын

    just 3 seconds 😊

  • @sergiusomesan7120
    @sergiusomesan7120Күн бұрын

    Perfect math channel, but please put the dividing line (supra, over) next to the equal sign, that's how it's done :)

  • @user-pi2my7vk5j
    @user-pi2my7vk5jКүн бұрын

    Математика как Поэзия! Им ночью снятся Арктики и Звездные Галактики, ведь математик- это Фантазёр!

  • @user-pi2my7vk5j
    @user-pi2my7vk5jКүн бұрын

    Симпатичное решение интересного задания!

  • @davereynolds739
    @davereynolds739Күн бұрын

    After using the quadratic formula to get: x = (-(-6) +/- sqrt((-6)^2-4x1x36))/2 simplify by factoring out 36 from the radical to get: x = (6 +/- 6 x sqrt(1-4))/2 --> x = 3 +/- 3 x sqrt(-3) = 3 +/- 3i x sqrt(3)

  • @davereynolds739
    @davereynolds739Күн бұрын

    After using the quadratic formula to get: x = (-(-6) +/- sqrt((-6)^2-4x1x36))/2 simplify by factoring out 36 from the radical to get: x = (6 +/- 6 x sqrt(1-4))/2 --> x = 3 +/- 3 x sqrt(-3) = 3 +/- 3i x sqrt(3)

  • @user-pi2my7vk5j
    @user-pi2my7vk5jКүн бұрын

    Оригинальное задание с факториалом и его решение! Интересно!

  • @user-pi2my7vk5j
    @user-pi2my7vk5jКүн бұрын

    Задание решается устно!

  • @user-pi2my7vk5j
    @user-pi2my7vk5jКүн бұрын

    Задание интересное!

  • @user-pi2my7vk5j
    @user-pi2my7vk5jКүн бұрын

    Много ненужных подробностей!При решении!

  • @user-pi2my7vk5j
    @user-pi2my7vk5jКүн бұрын

    Интересное задание и его решение!

  • @nahideipekcioglu7552
    @nahideipekcioglu7552Күн бұрын

    Çözüm cok uzun malesef.🤷‍♀️ 2 nin kuvvetlerini dene, ×=2⁸=256 sağlıyor.

  • @umranbayndr4150
    @umranbayndr4150Күн бұрын

    X=3

  • @jkr9224
    @jkr9224Күн бұрын

    Those interested in maths will take interest in learning this 🎉🎉🎉🎉🎉🎉 Superb 🎉

  • @314Polkovnik
    @314PolkovnikКүн бұрын

    х+у=й

  • @nagarajahshiremagalore226
    @nagarajahshiremagalore226Күн бұрын

    Simply don't waste your time & viewer's time by writing many steps unnecessarily.

  • @imanejo2527
    @imanejo2527Күн бұрын

    🎉🎉🎉❤

  • @Agegnehu-du8fs
    @Agegnehu-du8fsКүн бұрын

    It's so complicated way to solve 😢

  • @Donutdunot
    @DonutdunotКүн бұрын

    Hellom is wonderful

  • @is7728
    @is7728Күн бұрын

    Polynomials with order 3 have at most 3 solutions. Arranging the eqn in another order: x^3 - 27 = 0 x^3 - 3^3 = 0 (x - 3) (x^2 + 3x +9) = 0 Apparently, x = 3 and there are 2 more complex solutions which can be obtained by quadratic formula. DONE😊

  • @thanhtam1758
    @thanhtam1758Күн бұрын

    X = +~

  • @zvonimirkujundzic6867
    @zvonimirkujundzic6867Күн бұрын

    Nice! As always!❤

  • @LeviAckerman-kt9bt
    @LeviAckerman-kt9btКүн бұрын

    Just multiply bruh

  • @kaiserlost5617
    @kaiserlost5617Күн бұрын

    X=2

  • @mohamedsalah5525
    @mohamedsalah5525Күн бұрын

    انت ولا حاجه

  • @jamesharmon4994
    @jamesharmon4994Күн бұрын

    I could instantly detect there were no real solutions. From eq 1, if squared results in x^2 + 2xy + y^2 = 36. But eq 2 says xy = 36. This means that x^2 + 72 + y^2 = 36. This means that x^2 + y^2 = -36. This is impossible in the real world.

  • @habeebalbarghothy6320
    @habeebalbarghothy6320Күн бұрын

    😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂

  • @user-nv2jp7tl3g
    @user-nv2jp7tl3g2 күн бұрын

    Я все умножил прибавил 1 и вывел из корня 379 , получилось. А зачем сложности. Чем сложнее объяснение тем скучно. Это задачи мне кажется для. Простачков которые не знают ази математики. Бабушке почти 80лет. Без всяких записей моментально дала ответ. Таджикистан.