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)