Question

If the roots of the quadratic polynomial are equal then
(a) a²=bc (b) a=b (c) b=c (d) b² =4ac​

Answer 1

Answer:

option c

option c

option c

Step-by-step explanation:

pleas.e foll.ow me

pleas.e follo.w me

Answer 2

Answer:

d) b^2 = 4ac

Step-by-step explanation:

quadratic formula :

x= {-b ±√ ( b^2 -4ac) }/ 2a

if value of D( = √b^2 - 4ac ) = O

then

x = -b / 2a

so, both the zeroes are same.