Let $B = \left[ \begin{array} { l l } - & 3 \\ 2 \end{array} \right] , C = \left[ \begin{array} { l l } 2 & 1 \end{array} \right]$

Multiple Choice

Let $B = \left[ \begin{array} { l l } - & 3 \\ 2 \end{array} \right] , C = \left[ \begin{array} { l l } 2 & 1 \end{array} \right]$ .
Perform the operation: $( B C ) ^ { 2 }$ .

A) $\left[ \begin{array} { c } - 16 \\ - 8 \end{array} \right]$

B) $\left[ \begin{array} { c c } 24 & 12 \\ - 16 & - 8 \end{array} \right]$

C) $\left[ \begin{array} { l l } 24 & 12 \end{array} \right]$
D) $[ 24 ]$
E) none of these