Question

If the two roots of the quadratic equation ax²+bx+c = o are
equal then c is
​

Answer 1

Answer:

For the equation to have equal roots, the discriminant must be equal to zero.

D= b  

2

−4ac=0

⇒ b  

2

=4ac

⇒ c=  

4a

b  

2

 

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