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April 25, 2024, 01:57:29 pm

Poll

Would you use this to expand (2x-1)^4?

Yes
10 (76.9%)
No
3 (23.1%)

Total Members Voted: 11

Voting closed: November 11, 2007, 07:21:08 pm

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Author Topic: Binomial Theorem ... ?  (Read 3012 times)  Share 

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Fitness

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Binomial Theorem ... ?
« on: November 11, 2007, 07:21:08 pm »
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Has anyone actually seen this before? I came across it today when I was looking through the itute summary sheets.
[img]http://i180.photobucket.com/albums/x69/gourlaype/Binomial_Theorem.jpg[/img]

Would anyone use this to expand something such as (2x-1)^4 unless it asks you to in the exam?
This is the first time I have seen it and it seems logical but I'm not sure if I was supposed to learn it?
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Toothpaste

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Binomial Theorem ... ?
« Reply #1 on: November 11, 2007, 07:25:24 pm »
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It's nice to know I guess.

If you look for the Pascal's triangle thread in this forum, you'll see that I learned it last week sometime LOL!
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cara.mel

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Binomial Theorem ... ?
« Reply #2 on: November 11, 2007, 07:25:40 pm »
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I remember that my teacher never taught me that, but we needed to know how to do it on a technology-free SAC and I found that out on the day, so I learnt it about 30mins before the sac and soon afterwards forgot about it :)

I know in the essential books it lives in an appendix, I also never used it since then. You can just shove it in your book anyway, doesn't hurt.
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kido_1

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Binomial Theorem ... ?
« Reply #3 on: November 11, 2007, 07:26:33 pm »
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Yes I would use the binomial theorem. Just include it in your reference material, with an example.
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JL_91

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Binomial Theorem ... ?
« Reply #4 on: November 11, 2007, 07:28:57 pm »
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lol since the non-calculator exam is over now, i'd just use my calculator to expand it. we had to find a term in one of those by hand on the first SAC we did this year at my school
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Matt89

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Binomial Theorem ... ?
« Reply #5 on: November 11, 2007, 07:51:38 pm »
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isnt there a program that can expand that in a matter of seconds?
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kido_1

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Binomial Theorem ... ?
« Reply #6 on: November 11, 2007, 07:54:54 pm »
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Is there?
Oh well, too bad for me I do not have it.
Guess I will have to do it the old way.(binom theorem, :roll:
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Freitag

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Binomial Theorem ... ?
« Reply #7 on: November 11, 2007, 08:50:45 pm »
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Umm.. use the expand function on your calculator? o_o
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dooder

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Binomial Theorem ... ?
« Reply #8 on: November 11, 2007, 08:51:57 pm »
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how? :o
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Fitness

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Binomial Theorem ... ?
« Reply #9 on: November 11, 2007, 08:54:51 pm »
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Quote from: "dooder"
how? :o


Lol what you're doing is expanding the equation. I can't explain it ... Anybody care to do it for me?
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Ahmad

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Binomial Theorem ... ?
« Reply #10 on: November 11, 2007, 10:13:48 pm »
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You can use expand on a CAS calculator, but I don't remember it being on the ti-84s.
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Wst

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Binomial Theorem ... ?
« Reply #11 on: November 11, 2007, 10:16:07 pm »
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Mwhahaha. I put an expanding program on my calc.
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Collin Li

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Binomial Theorem ... ?
« Reply #12 on: November 11, 2007, 10:29:18 pm »
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Quote from: "Wst"
Mwhahaha. I put an expanding program on my calc.


 :shock: How much space does it take up now?

Haha, reminds me of this:
Expand (a+b)^n
Code: [Select]
( a + b )^n
(  a  +  b  )^n
(   a   +   b   )^n
...etc.
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AppleXY

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Binomial Theorem ... ?
« Reply #13 on: November 12, 2007, 12:00:14 am »
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theres tons of programs which expand binomials, check out:

ticalc.org.

I think I have 2 Binomial expansion programs lol.
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kido_1

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Binomial Theorem ... ?
« Reply #14 on: November 12, 2007, 05:50:06 am »
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There might be a multi choice on binom theorem
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