Nonlinear Sequences (With Examples)

In this video I discuss how to calculate the n'th term of nonlinear sequences, by introducing the idea of first and second differences. This video corresponds with Chapter 2.6 in the Edexcel GCSE Mathematics textbook.

Пікірлер: 22

  • @cinnamongrader6608
    @cinnamongrader66083 жыл бұрын

    Thank you so much! I can’t believe you have so few subscribers! You made this so much easier, before i did not have a clue! I have exams soon so I’m working on doing it as well as I can. You are wonderful!

  • @user-ii1yj2ok3n
    @user-ii1yj2ok3n5 ай бұрын

    oh my gosh ur so smart, thank you for teaching me how to do linear and non-linear sequence, I was so confused about it

  • @maerufali6262
    @maerufali62622 жыл бұрын

    thank you so much you helped me pass my gcse

  • @mdashfakuzzamanchy5218
    @mdashfakuzzamanchy5218 Жыл бұрын

    WOW!!!!!! Just Awesome. Thanks.

  • @adultcellolearner4574
    @adultcellolearner45743 жыл бұрын

    This is really really clear 🙂

  • @zewinjose4219
    @zewinjose4219 Жыл бұрын

    Thanks 🙌

  • @EgyptandPalestine
    @EgyptandPalestine3 ай бұрын

    Thanks a lot sir 👏👏👏

  • @zplymer
    @zplymer Жыл бұрын

    What to do when the second difference isnt equal like 2,5,11,23 have a difference of 3,6,12 and the second different is 3,6

  • @khushishah1338

    @khushishah1338

    3 ай бұрын

    But is that equal to 2a also?​@junaidashraf7237

  • @rufus2.028
    @rufus2.0289 ай бұрын

    Tack, mannen

  • @qayiya7478
    @qayiya74783 жыл бұрын

    How did you find (a ) on the second difference

  • @nguyenmanhja4800
    @nguyenmanhja48002 жыл бұрын

    hi i have a math problem i use your method but it not correct. My sequence are 20, 18 , 15 , 11 ,6 i use your method make a position to term rules -0.5n^2 - n +21.5 and it not correct pls help me out and show me how it can be done

  • @halfghost565

    @halfghost565

    Жыл бұрын

    hi, it's actually -0.5n^2 - 0.5n + 21, so i think you might have just miscalculated when comparing -0.5n^2 to Un

  • @hanajabar596
    @hanajabar596 Жыл бұрын

    How do you know its a quadratic sequence?

  • @itzme_zeni2521

    @itzme_zeni2521

    Жыл бұрын

    Beacuse in quadratic sequence the sequence dosnt go up in the same amount for example 4 , 9 , 16 , 25,36

  • @goku-sangreen4510
    @goku-sangreen4510 Жыл бұрын

    "the 2nd difference equals to 2a" divide the second difference by 2 basically

  • @thunsivmeng7893
    @thunsivmeng7893 Жыл бұрын

    What about 0;8;8;16;24

  • @issahkadiallo2548
    @issahkadiallo25482 жыл бұрын

    This was relly helpfull, Thank you

  • @febreze1693
    @febreze16934 ай бұрын

    Bro just did the longer version

  • @creeper6831

    @creeper6831

    17 күн бұрын

    What's the shorter method?

  • @ireneotugo5674
    @ireneotugo5674Ай бұрын

    Nope. Lost you along the way.

  • @MohamedMostafa-mv6yj
    @MohamedMostafa-mv6yj Жыл бұрын

    very bad explaining