Here I have a proof,can anybody explain how to proof it?

$\displaystyle \frac{1}{1+x^{a-b}+x^{a-c}}+\frac{1}{1+x^{b-c}+x^{b-a}}+\frac{1}{1+x^{c-a}+x^{c-b}}=1$

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- Aug 23rd 2012, 06:47 AMsrirahulanBasic Algebra
Here I have a proof,can anybody explain how to proof it?

$\displaystyle \frac{1}{1+x^{a-b}+x^{a-c}}+\frac{1}{1+x^{b-c}+x^{b-a}}+\frac{1}{1+x^{c-a}+x^{c-b}}=1$ - Aug 23rd 2012, 07:01 AMProve ItRe: Basic Algebra
- Aug 23rd 2012, 07:09 AMPlatoRe: Basic Algebra