Roots of an equation
Source: Vietnam NMO 1963 Problem 2
February 2, 2009
quadraticsalgebraalgebra unsolved
Problem Statement
For what values of does the equation x^2 \plus{} (2m \plus{} 6)x \plus{} 4m \plus{} 12 \equal{} 0 has two real roots, both of them greater than \minus{}1.