7.2. Integration Techniques
Theorem 7.2.11: Partial Fraction Decomposition
Suppose p(x) is a polynomial of degree n such that p(x) = , where each qj is polynomial of degree j that is irreducible over R. If s(x) is another polynomial of degree less than n with no factors in common with p(x), then the rational function s(x) / p(x) can be written as a finite sum
where each rj is a polynomial of degree less than j.