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In quadratic equation ax^(2)+bx+c=0, if ...

In quadratic equation `ax^(2)+bx+c=0`, if discriminant `D=b^(2)-4ac`, then roots of quadratic equation are:

A

Real and distinct, if `D gt 0 `

B

Real and equal (i.e., repeated roots), if `D=0`

C

Non-real (i.e., imaginary), if `D lt 0`

D

All of the above are correct

Text Solution

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The correct Answer is:
D
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