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Let a, b, c be real numbers such that a+...

Let a, b, c be real numbers such that `a+b+clt0` and the quadratic equation `ax^(2)+bx+c=0` has imaginary roots. Then

A

`agt0,cgt0`

B

`agt0,clt0`

C

`alt0,cgt0`

D

`alt0,clt0`

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