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**sthiruvikraman26****Member**- Registered: 2014-03-08
- Posts: 1

I have found another way of finding the terms of a fibonacci numbers.

2 2

Fn F ) - ( F ) ;where x+y=n and y=x-2.

n-x n-y

(or) Fn th term of the sequence is equal to the difference of squares of two fibonacci numbers F and F

n-x n-y

where x+y=n and y=x-2

sum of first n terms of a fibonacci sequence is,

Sn = ( F ) - 1

n+2

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**ShivamS****Member**- Registered: 2011-02-07
- Posts: 3,374

Your notation is not showing up probably.

There are ways to show the fibonacci numbers (eg. phi).

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 81,435

Hi sthiruvikraman26;

I can not make out anything of what you have written. You could latex it up

http://latex.codecogs.com/eqneditor/editor.php

Your last one:

Is true.

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

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