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Q)
If $A = \begin{bmatrix} 2 & -3 \\ -4 & 1 \end{bmatrix}$, then $adj (3A^2 + 12A)$ is equal to :
( A ) $\begin{bmatrix} 72 & -84 \\ -63 & 51 \end{bmatrix}$
( B ) $\begin{bmatrix} 72 & -63 \\ -84 & 51 \end{bmatrix}$
( C ) $\begin{bmatrix} 51 & 63 \\ 84 & 72 \end{bmatrix}$
( D ) $\begin{bmatrix} 51 & 84 \\ 63 & 72 \end{bmatrix}$
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