[b]Proposition:[/b] Given [math]{\small f(x) = x^3 + c_2 x^2 + c_1 x + c_0=0}[/math], find a finite range of x containing all zeros of f(x), without solving for x.
__________
Roots of the cubic equation
Solution 1 (Iterative): [url]http://www.geogebratube.org/material/show/id/143036[/url]
Solution 2: (Algebraic): [url]http://tube.geogebra.org/material/show/id/143424[/url]
