1.

The solution of the matrix equation \(\left[ {\begin{array}{*{20}{c}} 2&{ - 1}&3\\ 1&1&1\\ 1&{ - 1}&1 \end{array}} \right]\left[ {\begin{array}{*{20}{c}} x\\ y\\ z \end{array}} \right] = \left[ {\begin{array}{*{20}{c}} 9\\ 6\\ 2 \end{array}} \right]\) is:

A. x = 1, y = 2, z = 3
B. x = 0, y = 1, z = 2
C. x = 2, y = 1, z = 0
D. x = 3, y = 2, z = 1
Answer» B. x = 0, y = 1, z = 2


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