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Question

For the expression f(x) = a x2 + bx + c (a > 0), b2 > 4ac always. A real value x0 will lie in between the roots of f(x) if


A

f(x0) < 0

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B

f(x0) > 0

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C

f(x0) = 0

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D

f(x0) 0

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