Question

for equal roots of quadratic equation Of discriminant should be equal to​

Answer 1

Answer:

when discriminant is equal to 0 then roots of quadratic equation is equal.

D=0

Answer 2

Answer:

b2-4ac=0

Step-by-step explanation                                                                                               roots of equation (ax2+bx+c) are equals when   b2-4ac=0                                       this formula is obtained from a quadratic formula .