PolynomialGCD

PolynomialGCD[poly1, poly2, ...] gives the greatest common divisor of the polynomials.

Examples

Find GCD of two polynomials:

PolynomialGCD[x^2 - 1, x^3 - x]
(* x^2 - 1 *)

Polynomials with common factor:

PolynomialGCD[(x + 1)^2 * (x - 1), (x + 1) * (x - 2)]
(* 1 + x *)

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