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Let A=[102265]A = \left[ \begin{array} { c c } 1 & 0 \\- 2 & 2 \\6 & 5\end{array} \right]

Question 161

Multiple Choice

Let A=[102265]A = \left[ \begin{array} { c c } 1 & 0 \\- 2 & 2 \\6 & 5\end{array} \right] and B=[7241292]B = \left[ \begin{array} { c c } 7 & - 2 \\4 & 12 \\9 & - 2\end{array} \right] , evaluate 2A+B- 2 A + B .


A) [528265]\left[ \begin{array} { c c } - 5 & 2 \\- 8 & 2 \\6 & 5\end{array} \right]
B) [82214153]\left[ \begin{array} { c c } 8 & - 2 \\2 & 14 \\15 & 3\end{array} \right]
C) [82214153]\left[ \begin{array} { c c } - 8 & 2 \\- 2 & - 14 \\- 15 & 3\end{array} \right]
D) [5231288]\left[ \begin{array} { c c } 5 & - 2 \\3 & - 12 \\8 & 8\end{array} \right]
E) [5288312]\left[ \begin{array} { c c } 5 & - 2 \\8 & 8 \\- 3 & - 12\end{array} \right]

Correct Answer:

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