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If Possible, Find 4A + 5B A) [73643186439]\left[ \begin{array} { c c c } - 73 & - 6 & - 43 \\- 18 & - 64 & 39\end{array} \right]

Question 30

Multiple Choice

If possible, find 4A + 5B. A=[712761],B=[927287]A = \left[ \begin{array} { c c c } - 7 & 1 & - 2 \\- 7 & - 6 & 1\end{array} \right] , B = \left[ \begin{array} { c c c } 9 & 2 & 7 \\- 2 & 8 & - 7\end{array} \right]


A) [73643186439]\left[ \begin{array} { c c c } - 73 & - 6 & - 43 \\- 18 & - 64 & 39\end{array} \right]
B) [235926]\left[ \begin{array} { c c c } 2 & 3 & 5 \\- 9 & 2 & - 6\end{array} \right]
C) [100010]\left[ \begin{array} { l l l } 1 & 0 & 0 \\0 & 1 & 0\end{array} \right]
D) [171427381631]\left[ \begin{array} { c c c } 17 & 14 & 27 \\- 38 & 16 & - 31\end{array} \right]
E) not possible

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