Question

if a quadratic equation
equation has two equal
roots,
then discriminant is.
a) b²-400 LO
b) b²-40c zo
c) 6²-400 = 0
d) 6² - 4ac zo.​

Answer 1

Answer:

We know that quadratic equation has two equal roots only when the value of discriminant is equal to zero.

Step-by-step explanation:

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