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If ax^(2) +bx +c=0 has equal roots....

If ` ax^(2) +bx +c=0 ` has equal roots. Then c is equal to :

A

` (b^(2))/( 4a) `

B

` (b^(2))/( 2a) `

C

` (b^(2))/( a)`

D

` -(b^(2))/( 4a)`

Text Solution

Verified by Experts

The correct Answer is:
a
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