Answer :
If B² - 4 A C = 0 ,
then
Ax² + Bx + C = 0 has two real roots, and they are equal.
In other words, Ax² + Bx + C is a perfect square.
then
Ax² + Bx + C = 0 has two real roots, and they are equal.
In other words, Ax² + Bx + C is a perfect square.