A) \[\left[ \begin{matrix} t & z \\ -y & -x \\ \end{matrix} \right]\]
B) \[\left[ \begin{matrix} t & y \\ -z & -x \\ \end{matrix} \right]\]
C) \[\left[ \begin{matrix} t & -z \\ y & -x \\ \end{matrix} \right]\]
D) None of these
Correct Answer: C
Solution :
\[X=\left[ \begin{matrix} -x & -y \\ z & t \\ \end{matrix} \right]\,\,;\,\,adj\,\,X=\left[ \begin{matrix} t & y \\ -z & -x \\ \end{matrix} \right]\] \ Transpose of (adj (X)) = \[\left[ \begin{matrix} t & -z \\ y & -x \\ \end{matrix} \right]\].
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