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

Question

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

Quizplus · Accepted Answer

The Answer is B

Let B=[−32],C=[21]B = \left[ \begin{array} { l l } - & 3 \\ 2 \end{array} \right] , C = \left[ \begin{array} { l l } 2 & 1 \end{array} \right]B=[−2​3],C=[2​1​]

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