if x = (2ab+2bc+2ca)/(a+b+c), then prove that,

[(x+a)/(x-a)] + [(x+b)/(x-b)] +[(x+c)/(x-c)] - [6abc/(x-a)(x-b)(x-c)] = 3

please help!!!(Talking)

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- February 5th 2010, 06:12 AMearthboyprove the identity
if x = (2ab+2bc+2ca)/(a+b+c), then prove that,

[(x+a)/(x-a)] + [(x+b)/(x-b)] +[(x+c)/(x-c)] - [6abc/(x-a)(x-b)(x-c)] = 3

please help!!!(Talking) - February 5th 2010, 07:53 AMHenryt999
- June 7th 2010, 04:50 PMearthboyQuote:

Quote:

Originally Posted by**earthboy**http://www.mathhelpforum.com/math-he...s/viewpost.gif

*if x = (2ab+2bc+2ca)/(a+b+c), then prove that,*

[(x+a)/(x-a)] + [(x+b)/(x-b)] +[(x+c)/(x-c)] - [6abc/(x-a)(x-b)(x-c)] = 3

please help!!!(Talking)

is that menth to be http://www.mathhelpforum.com/math-he...d44734c1-1.gif

or as it is written http://www.mathhelpforum.com/math-he...eaf3329c-1.gif

- June 7th 2010, 05:03 PMskeeter