MAHARASHTRA Class 10: Nature of Roots Videos | Concept of discriminant to classify roots of quadratic equation

ax² + bx + c = 0 is a quadratic equation if a ≠ 0.

The discriminant of a quadratic equation is given by .

The condition for real and equal roots is b² - ac = 0.

The condition for real and equal roots is b² - ac > 0.