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5.30.10  LCM of two polynomials: lcm

lcm returns the LCM (Least Common Multiple) of two polynomials (or of a list of polynomials or of a sequence of polynomials) (see 5.6.5 for LCM of integers).
Input:

lcm(x^2+2*x+1,x^2-1)

Output:

(x+1)*(x^2-1)

Input:

lcm(x,x^2+2*x+1,x^2-1)

or

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

Output:

(x^2+x)*(x^2-1)

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