Question

a quadratic equation aX²+bx+c=0 has two equal roots if b²= _____​

Answer 1

Answer:

if b^2 - 4ac = 0 that is real and equal roots

Step-by-step explanation:

Answer 2

Answer:

The Quadratic eq.

$a {x}^{2} + bx + c = 0$

will have two equal roots

if

its Discriminant is equals to 0

i.e.

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: {b}^{2} - 4ac = 0 \\ \implies \ \large {\boxed{ b^{2} = 4ac}}$

WHICH IS REQUIRED ANSWER