MathDB

2

Part of 1963 Vietnam National Olympiad

Problems(1)

Roots of an equation

Source: Vietnam NMO 1963 Problem 2

2/2/2009
For what values of m m 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.
quadraticsalgebraalgebra unsolved