If the equation \( a x^{2}+b x+c=0, a, b, c \in R \) have non-re roots, then (a) \( c(a-b+c)0 \)...

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If the equation \( a x^{2}+b x+c=0, a, b, c \in R \) have non-re roots, then
(a) \( c(a-b+c)0 \)
(b) \( c(a+b+c)0 \)
(c) \( c(4 a-2 b+c)0 \)
(d) none of these
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