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Partial fractions
Reading time: 1minPartial fraction expansion is used to change a rational fraction in the form 
, where f and g are polynomials, into an expression of the form 
, where gj(x) are polynomials that are factors of g(x).
Syntax
partial_fractions(Fraction)
partial_fractions(Fraction, Ring)
Description
Given a fraction of polynomials, returns a list L whose elements are lists L1, ..., Lk. The list Lj has as elements the polynomials fj(x) and gj(x).
Given a fraction of polynomials and a ring, returns a list L whose elements are lists L1, ..., Lk. The list Lj has as elements the polynomials fj(x) and gj(x). The decomposition is done over the specified ring.
