If roots of ax^2+bx+c=0 are equal in mag...

If roots of `ax^2+bx+c=0` are equal in magnitude but opposite in sign, then

A

` a lt 0 , c lt 0 `

B

`a lt 0 , c gt 0 , b gt 0 `

C

`a gt 0 , b =0 , a lt 0 `

D

`a gt 0 , b=0 , c gt 0 `

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The correct Answer is:

C

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