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Perform the Indicated Operation, Whenever Possible A=[−4673−5127−1114]A = \left[ \begin{array} { r r r } - 4 & 6 & 7 \\ 3 & - 5 & 12 \\ 7 & - 11 & 14 \end{array} \right]

Question 50

Multiple Choice

Perform the indicated operation, whenever possible.
-Let A=[−4673−5127−1114]A = \left[ \begin{array} { r r r } - 4 & 6 & 7 \\ 3 & - 5 & 12 \\ 7 & - 11 & 14 \end{array} \right] and B=[610−4−56−83117]B = \left[ \begin{array} { r r r } 6 & 10 & - 4 \\ - 5 & 6 & - 8 \\ 3 & 11 & 7 \end{array} \right] . Find A−BA - B .


A) [−10−43−2−1144−227]\left[ \begin{array} { r r r } - 10 & - 4 & 3 \\ - 2 & - 11 & 4 \\ 4 & - 22 & 7 \end{array} \right]

B) [2163−21410021]\left[ \begin{array} { r r r } 2 & 16 & 3 \\ - 2 & 1 & 4 \\ 10 & 0 & 21 \end{array} \right]

C) [−10−4118−11204−227]\left[ \begin{array} { r r r } - 10 & - 4 & 11 \\ 8 & - 11 & 20 \\ 4 & - 22 & 7 \end{array} \right]

D) [104−11−811−20−422−7]\left[ \begin{array} { c c c } 10 & 4 & - 11 \\ - 8 & 11 & - 20 \\ - 4 & 22 & - 7 \end{array} \right]

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