If $A = \begin{bmatrix} 1 & -1 \\ 2 & 3 \end{bmatrix}$,then $\text{adj } A$ is equal to
- A$\begin{bmatrix} -3 & -1 \\ 2 & -1 \end{bmatrix}$
- B$\begin{bmatrix} 3 & 1 \\ -2 & 1 \end{bmatrix}$
- C$\begin{bmatrix} 3 & -2 \\ 1 & 1 \end{bmatrix}$
- D$\begin{bmatrix} 3 & -1 \\ -2 & 1 \end{bmatrix}$
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If $X = \begin{bmatrix} -x & -y \\ z & t \end{bmatrix}$,then the transpose of $\text{adj } X$ is:
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