1.

If \[{{a}_{1}},{{a}_{2}},{{a}_{3}},............\]are positive numbers in G.P. then the value of \[\left| \begin{matrix}    \log {{a}_{n}} & \log {{a}_{n+1}} & \log {{a}_{n+2}}  \\    \log {{a}_{n+1}} & \log {{a}_{n+2}} & {{\operatorname{loga}}_{n+3}}  \\    \log {{a}_{n+2}} & \log {{a}_{n+3}} & \log {{a}_{n+4}}  \\ \end{matrix} \right|\]

A. \[1\]
B. \[4\]
C. \[3\]
D. \[0\]
Answer» E.


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