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If a gt 0 and discriminant of ax^2+2bx+...

If ` a gt 0` and discriminant of `ax^2+2bx+c` is negative, then : `Delta=|(a,b,ax+b),(b,c,bx+c),(ax+b,bx+c,0)|` is :

A

+ve

B

` (a c-b^2 ) (a x^2+b x+c )`

C

`-ve`

D

0

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The correct Answer is:
C
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