Question

Relationship between discriminant and nature of roots.

Answer 1

If D=0 then roots are real and equal
if D>0 then roots are real
if D <0 then roots are distinct
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Answer 2

The relationship between discriminant ∆ and nature of roots is:

1) If ∆>0, then nature of roots is real and unequal

2) If ∆=0, then nature of roots is real and equal.

3) If ∆<0, then nature of roots is not real.

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