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1. |
If \[a,b,c,d>0,x\text{ }\in \text{R}\] and \[({{a}^{2}}+{{b}^{2}}+{{c}^{2}}){{x}^{2}}-2(ab+bc+cd)x+{{b}^{2}}+{{c}^{2}}+{{d}^{2}}\le 0.\]Then, \[\left| \begin{matrix} 33 & 14 & \log a \\ 65 & 27 & \log b \\ 97 & 40 & \log c \\ \end{matrix} \right|\] is equal to |
A. | \[1\] |
B. | \[-1\] |
C. | \[2\] |
D. | \[0\] |
Answer» E. | |