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#1 2014-05-25 22:09:17
- Kumar Gaurav
- Member
- Registered: 2014-05-25
- Posts: 8
New formula for squaring a no.[or may be old].
Hey I was just playing with nos. I found a formula to sq. A no. I.e.
(<n-1>squared)+(2n+1)
'n' here implies the no. You want to sq.
Last edited by Kumar Gaurav (2014-05-25 22:11:33)
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#2 2014-05-25 22:13:32
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: New formula for squaring a no.[or may be old].
Hi;
I can not follow that. Please explain a little better.
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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#3 2014-05-25 22:17:07
- Kumar Gaurav
- Member
- Registered: 2014-05-25
- Posts: 8
Re: New formula for squaring a no.[or may be old].
This works if you know sq of no. Which lies before it just add 2xno.+1 to sq of no. Lying before the no.
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#4 2014-05-25 22:20:35
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: New formula for squaring a no.[or may be old].
You mean like this:
(2 * 6 + 1) + 6^2 = 49 which is 7^2?
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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#5 2014-05-25 22:24:21
- Kumar Gaurav
- Member
- Registered: 2014-05-25
- Posts: 8
Re: New formula for squaring a no.[or may be old].
You mean like this:
(2 * 6 + 1) + 6^2 = 49 which is 7^2?
yes sir!
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#6 2014-05-25 22:26:39
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: New formula for squaring a no.[or may be old].
Hi;
This is because of the algebraic identitiy
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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#7 2014-05-25 22:29:57
- Kumar Gaurav
- Member
- Registered: 2014-05-25
- Posts: 8
Re: New formula for squaring a no.[or may be old].
Thanks for informing I will post more.
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#8 2014-05-25 22:33:57
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: New formula for squaring a no.[or may be old].
Welcome to the forum.
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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#9 2014-05-26 00:48:32
- Kumar Gaurav
- Member
- Registered: 2014-05-25
- Posts: 8
Re: New formula for squaring a no.[or may be old].
Welcome to the forum.
thanks
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