Given $A = \left[ \begin{array} { c c }
1 & 5 \
- 2 & 3
\end{array} \right]$ and $B = \left[ \begin{array} { c c c }
4 & 1 & - 1 \
3 & - 5 & 2
\end{array} \right]$ , find $A B$ , or explain why the operation cannot be performed.

Question

Given $A = \left[ \begin{array} { c c } 
1 & 5 \
- 2 & 3
\end{array} \right]$ and $B = \left[ \begin{array} { c c c } 
4 & 1 & - 1 \
3 & - 5 & 2
\end{array} \right]$ , find $A B$ , or explain why the operation cannot be performed.

Quizplus · Accepted Answer

The Answer of Given $A = \left[ \begin{array} { c c } 
1 & 5 \
- 2 & 3
\end{array} \right]$ and $B = \left[ \begin{array} { c c c } 
4 & 1 & - 1 \
3 & - 5 & 2
\end{array} \right]$ , find $A B$ , or explain why the operation cannot be performed.

Given A=[15−23]A = \left[ \begin{array} { c c } 1 & 5 \\- 2 & 3\end{array} \right]A=[1−2​53​]

Given $A = \left[ \begin{array} { c c } 1 & 5 \\- 2 & 3\end{array} \right]$