If a, b be the roots of the quadratic equation \[a{{x}^{2}}+bx+c=0\] and \[k\] be a real number, then the condition so that \[\alpha

If a, b be the roots of the quadratic equation \[a{{x}^{2}}+bx+c=0\]

1.	If a, b be the roots of the quadratic equation \[a{{x}^{2}}+bx+c=0\] and \[k\] be a real number, then the condition so that \[\alpha
A.	\[ac>0\]
B.	\[a{{k}^{2}}+bk+c=0\]
C.	\[ac<0\]
D.	\[{{a}^{2}}{{k}^{2}}+abk+ac<0\]
Answer» E.

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If a, b be the roots of the quadratic equation \[a{{x}^{2}}+bx+c=0\] and \[k\] be a real number, then the condition so that \[\alpha

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