Edexcel A level Maths: 10.2 Iteration (Cobweb and Staircase Diagram, Convergence/Divergence)

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Pearson A level Maths, Pure year 2 textbook (10.2)
The following concepts are covered in this video:
1. Using iteration to approximate the root of a function to a given degree of accuracy
2. Using cobweb/staircase diagram to show convergence or divergence to/from the root(s) of a function
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Опубликовано:

27 июл 2024

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Комментарии : 30

@edforever6299 2 года назад

just watching these videos before paper 1 makes me more confident, thank you

@MarwaMarwa-dg5oc 2 года назад

sameee, his videos are a godsend

@itachi6336 3 года назад

curve to line, repeat. This phrase made it very easy to draw staircase and cobweb diagrams. Thanks

@piotrstokowski4627 4 года назад

Damn that is a good explanation. Thanks for the video!

@piotrstokowski4627 3 года назад

That's a lot of bots hijacking my comment. Don't listen to them.

@dick220 2 года назад

That was super useful man. Thanks you're an awesome teacher

@kellmano1 4 года назад

These are great videos thanks. I'm a Maths teacher and directing my students to them. at 5.50 it's not a downwards convergence as it will turn into a cobweb as you point out in the next example. Not being critical just letting you know (you probably knew already). Cheers!

@yuuzh 2 года назад

fantastic video really helped me to the leadup to my exam

@veraharen 2 года назад

Thank you, very good

@rohanr4136 3 года назад

Best explanation I’ve seen Amazing

@giyantube 3 года назад

That was good!!!!!

@joannadaniel9396 Год назад

thank you

@ELouahabimohamed Год назад

great lession

@santoselcuko8284 4 года назад

Thank you so much your videos are the best. Are you going to do a video of chapter 3 Pure A2 ?

@zeeshanzamurred9280 4 года назад

Thanks Santos. I will be doing videos on all chapters (pure and applied) for year 2 this year.

@a_active9904 Месяц назад

help me... i have exams in 2 days

@ym5180 Месяц назад

Hahaha me too bro tomorrow

@ndbeats9536 3 года назад

In the exam will they give you the sketch on which you must show whether there is convergence or divergence or do they expect you to sketch the graph as well?

@prodigion1 3 года назад

I've seen some exam-style questions in the textbook where part a is to sketch the graph and part b is to use the graph to show whether it converges or diverges.

@uzi6839 3 года назад

@@prodigion1 oh hell nah

@Ela-gv7tr Год назад

can someone explain the sign change thing in part c ?

@commandermakki255 Год назад

Any value greater than 3.155 and less than 3.165 will equal 3.16 when corrected to 2 decimal places so if there is change of sign in this interval then 3.16 is a root. Change of sign implies that curve passed through g(x)=0 because value of y switched signs. ( g(x)=y )