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Which of the following have real root ....

Which of the following have real root .

A

`2x^(2)+x+1=0`

B

`x^(2)+x+1=0`

C

`x^(2)-6x+6=0`

D

`2x^(2)+15x+30=0`

Text Solution

Verified by Experts

The correct Answer is:
C
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