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Find 3A - 2B $A = \left[ \begin{array} { l l } 2 & - 2 \\4 & - 2\end{array} \right] , B = \left[ \begin{array} { c c } 4 & - 2 \\- 2 & 8\end{array} \right]$

Question 39

Multiple Choice

Find 3A - 2B. $A = \left[ \begin{array} { l l } 2 & - 2 \\4 & - 2\end{array} \right] , B = \left[ \begin{array} { c c } 4 & - 2 \\- 2 & 8\end{array} \right]$

A) $\left[ \begin{array} { c c } - 2 & - 2 \\16 & - 22\end{array} \right]$
B) $\left[ \begin{array} { c c } 0 & - 22 \\16 & - 2\end{array} \right]$
C) $\left[ \begin{array} { c c } 2 & - 2 \\- 22 & 16\end{array} \right]$
D) $\left[ \begin{array} { c c } - 4 & - 2 \\16 & - 22\end{array} \right]$
E) $\left[ \begin{array} { c c } - 6 & - 2 \\16 & - 22\end{array} \right]$

Find 3A - 2B A=[2−24−2],B=[4−2−28]A = \left[ \begin{array} { l l } 2 & - 2 \\4 & - 2\end{array} \right] , B = \left[ \begin{array} { c c } 4 & - 2 \\- 2 & 8\end{array} \right]A=[24​−2−2​],B=[4−2​−28​]

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Find 3A - 2B $A = \left[ \begin{array} { l l } 2 & - 2 \\4 & - 2\end{array} \right] , B = \left[ \begin{array} { c c } 4 & - 2 \\- 2 & 8\end{array} \right]$

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