all that rootfinding

• Subject: all that rootfinding
• From: Stavros Macrakis
• Date: Fri, 11 Jan 2013 12:51:07 -0500

gcd(p,diff(p,x)) gives x-sqrt(2) with gcd = subres or red and algebraic =
true

On Fri, Jan 11, 2013 at 12:40 PM, Raymond Toy <toy.raymond at gmail.com> wrote:

> p:expand((x-sqrt(2))^2*(x^2+2*x+2));
> gcd(p,diff(p,x))
>

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