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JEE Mains · Maths · STD 12 - 3 and 4 . metrices and determinant

ધારો કે \(x , y , z > 1\) અને \(A=\left[\begin{array}{lll}1 & \log _x y & \log _x z \\ \log _y x & 2 & \log _y z \\ \log _z x & \log _z y & 3\end{array}\right]\) તો \(\left|\operatorname{adj}\left(\operatorname{adj} A^2\right)\right| =.........\)

  1. A \(6^4\)
  2. B \(2^8\)
  3. C \(4^8\)
  4. D \(2^4\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(2^8\)

Step-by-step Solution

Detailed explanation

\(|A|=\frac{1}{\log x \cdot \log y \cdot \log z}\left|\begin{array}{lll}\log x & \log y & \log z \\ \log x & 2 \log y & \log z \\ \log x & \log y & 3 \log z\end{array}\right|=2\)…
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