# Partial Fraction Decomposition

Best Answer azogtoth , 15 February 2017 - 11:46 AM

found it! Try:

expand(1/(x^2-1),x)​

Btw, I like typing

expand(1/(xx-1),x)​

xx is easier to type than x^2, but works the same

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### #1 azogtoth

azogtoth

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Posted 15 February 2017 - 09:43 AM

Hello,

I need to do partial fraction decomposition:

simple example:

1/(x^2-1) -> (1/2)/(x-1) + (-1/2)/(x+1)

I was hoping expand(1/(x^2-1)) would do the trick, but unfortunately...

Does anyone know if there is a function on that can do this?

Otherwise, I'd have to write my own function to do this. But I struggle with how to pass a function to my function

Cheers,

Stefan

### #2 azogtoth

azogtoth

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Posted 15 February 2017 - 11:46 AM   Best Answer

found it! Try:

expand(1/(x^2-1),x)​

Btw, I like typing

expand(1/(xx-1),x)​

xx is easier to type than x^2, but works the same

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