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If Possible, Find 3A+4B3 A + 4 B A) [2027791411]\left[ \begin{array} { c c c } 20 & - 27 & 7 \\ 9 & - 14 & 11 \end{array} \right]

Question 35

Multiple Choice

If possible, find 3A+4B3 A + 4 B .
A=[439325],B=[895021]A = \left[ \begin{array} { c c c } - 4 & 3 & 9 \\3 & - 2 & 5\end{array} \right] , B = \left[ \begin{array} { c c c } - 8 & 9 & 5 \\0 & 2 & 1\end{array} \right]


A) [2027791411]\left[ \begin{array} { c c c } 20 & - 27 & 7 \\ 9 & - 14 & 11 \end{array} \right]
B) [121214306]\left[ \begin{array} { c c c } - 12 & 12 & 14 \\ 3 & 0 & 6 \end{array} \right]
C) [100010]\left[ \begin{array} { l l l } 1 & 0 & 0 \\ 0 & 1 & 0 \end{array} \right]
D) [4445479219]\left[ \begin{array} { c c c } - 44 & 45 & 47 \\ 9 & 2 & 19 \end{array} \right]
E) not possible

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