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Let \( a, b, c \in \mathbf{R} \) be such \( b^{2}-a c \geq 0 \). The equation \( a x^{2}+2 b x+c=0 \) has
Column 1
Column 2
(a) two positive roots
(p) \( a,-c \) are of the
same sign
(b) two negative roots (q) \( a,-b, c \) are of the
same sign
(c) one positive and
(r) \( a, b, c \) are of the
one negative root
same sign
(d) equal roots
(r) \( a, b, c \) are in G.P.
P
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