1.

If \[2a+3b+6c=0,\] then at least one root of the equation \[a{{x}^{2}}+bx+c=0\]lies in the interval

A. (0, 1)    
B. (1, 3)
C. (2, 3)    
D. (1, 3)
Answer» B. (1, 3)


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