Sunday, July 29, 2007

How to Square Any Number

Duration: 161 seconds
Upload Time: 07-02-19 13:00:02
User: clevercookinchef
:::: Favorites
Description:

A method to square a number by creating binomials and FOIL-ing them.

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Comments
demonmuffin ::: Favorites
2^5 x 2^5 similar bases, powers add or (2^5)^2 exponents multiply 2^10 = 1024
07-07-13 20:51:39
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AinSophAur1361 ::: Favorites
That's great but in a fraction of the time it takes you to do that you could work out 32^2 just by multiplying 32x32. And you would save the trees while you're at it...
07-07-13 23:24:56
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VKatze ::: Favorites
*laughs at heavenskid* Thats funny :) I like this, this is fun.
07-07-14 00:09:01
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timtambourino ::: Favorites
um, why bother doing this... u have 2 square the 30 anyway why not just skip str8 2 squaring the 32... stupid...
07-07-14 06:16:44
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clevercookinchef ::: Favorites
because it's easier to square 2 and 30 in your head then it is to square 32...
07-07-14 11:36:11
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ninie300 ::: Favorites
if i now what the suare root of 30 is then why are you trying to find the square root of 32. This vid makes no sense.
07-07-16 08:59:18
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clevercookinchef ::: Favorites
I'm not trying to find the square root. I'm squaring the number. It's easy to find the square of numbers ending with a zero. Just square the first number (9) and add two zeros. (900)
07-07-16 12:50:31
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patricksoo ::: Favorites
Most of u guys r missing d point! The vid shows a rather simple MENTAL calculation method using a well known formulae. Great insight ccc, never thot of it dat way!
07-07-16 23:56:23
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VallHano ::: Favorites
lol i prefer the 32+32+32 etc.. thing :P but that would help if my calculator suddently burnt during an exam!
07-07-26 17:36:53
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arturmazi ::: Favorites
look its simple : (a+b)^2= a^2 + 2ab + b^2.
07-07-28 20:02:43
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