If \[a,b,c\] are real numbers such that \[a+b+c=0,\] then the quadratic equation \[3a{{x}^{2}}+2bx+c=0\]has [MNR 1992; DCE 1999]

At least one root in \[[-1,\,0]\]

If \[a,b,c\] are real numbers such that \[a+b+c=0,\] then the quadrati

1.	If \[a,b,c\] are real numbers such that \[a+b+c=0,\] then the quadratic equation \[3a{{x}^{2}}+2bx+c=0\]has [MNR 1992; DCE 1999]
A.	At least one root in [0, 1]
B.	At least one root in [1, 2]
C.	At least one root in \[[-1,\,0]\]
D.	None of these
Answer» B. At least one root in [1, 2]

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If \[a,b,c\] are real numbers such that \[a+b+c=0,\] then the quadratic equation \[3a{{x}^{2}}+2bx+c=0\]has [MNR 1992; DCE 1999]

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