If $A = \left[ \begin{array} { l l }
4 & 6 \
1 & 2
\end{array} \right]$ , and $B = \left[ \begin{array} { c c }
- 1 & 4 \
5 & - 2
\end{array} \right]$ then find $A - 2 B$ .

Question

If $A = \left[ \begin{array} { l l } 
4 & 6 \
1 & 2
\end{array} \right]$ , and $B = \left[ \begin{array} { c c } 
- 1 & 4 \
5 & - 2
\end{array} \right]$ then find $A - 2 B$ .

Quizplus · Accepted Answer

The Answer of If $A = \left[ \begin{array} { l l } 
4 & 6 \
1 & 2
\end{array} \right]$ , and $B = \left[ \begin{array} { c c } 
- 1 & 4 \
5 & - 2
\end{array} \right]$ then find $A - 2 B$ .

If A=[4612]A = \left[ \begin{array} { l l } 4 & 6 \\1 & 2\end{array} \right]A=[41​62​]

If $A = \left[ \begin{array} { l l } 4 & 6 \\1 & 2\end{array} \right]$