Mathematician Finds Easier Way to Solve Quadratic Equations

[Albert Chan]

(05-06-2024 12:23 AM)Gerson W. Barbosa Wrote:  The accuracy of the second root can be improved simply by calculating it as x₂ = q/x₁

x1 = -p/2 + √Δ
x2 = q/x1

Not an improvement.
Depends on sign(Re(p)), we have 50:50 chance is getting both good roots, or both bad!