the roots of the equation \( x^{2}-b x+c=0 \) are two consecutive integers, then \( b^{2}-4 c \)...

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the roots of the equation \( x^{2}-b x+c=0 \) are two consecutive integers, then \( b^{2}-4 c \)
(A) 1
(B) 2
(C) none of these
(D) undefined
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