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Break rational expression into Partiall fractions

Posted 9 years ago
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If I have I want to integrate

(a) 1/(2 + 3 x + x^2)

I know that by algorithm you can write this as,

(b) 1/(1 + x) - 1/(2 + x)

but are that a command for matematica so create separate fractions?

to go from (b) to (a)

POSTED BY: peter B

it is called Apart to go "back" use Simplify

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POSTED BY: Nasser M. Abbasi
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