If \[{{b}_{1}}{{b}_{2}}\]=2(\[{{c}_{1}}+{{c}_{2}}\]), then at least one of the equations \[{{x}^{2}}+{{b}_{1}}x+{{c}_{1}}=0\]and \[{{x}^{2}}+{{b}_{2}}x+{{C}_{2}}=0\]has

If \[{{b}_{1}}{{b}_{2}}\]=2(\[{{c}_{1}}+{{c}_{2}}\]), then at least on

1.	If \[{{b}_{1}}{{b}_{2}}\]=2(\[{{c}_{1}}+{{c}_{2}}\]), then at least one of the equations \[{{x}^{2}}+{{b}_{1}}x+{{c}_{1}}=0\]and \[{{x}^{2}}+{{b}_{2}}x+{{C}_{2}}=0\]has
A.	imaginary
B.	real roots
C.	purely imaginary roots
D.	none of these
Answer» C. purely imaginary roots

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If \[{{b}_{1}}{{b}_{2}}\]=2(\[{{c}_{1}}+{{c}_{2}}\]), then at least one of the equations \[{{x}^{2}}+{{b}_{1}}x+{{c}_{1}}=0\]and \[{{x}^{2}}+{{b}_{2}}x+{{C}_{2}}=0\]has

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