\[U = \left[ {\begin{array}{*{20}{c}}0&1&0\end{array}} \right]\;\quad V = \left[ {\begin{array}{*{20}{c}}1&1&0\\3&1&9\\2&3&8\end{array}} \right]\;\quad W = \left[ {\begin{array}{*{20}{c}}4&2\\0&0\\1&2\end{array}} \right]\;\;X = \left[ {\begin{array}{*{20}{c}}3&1&{-1}\\1&0&1\end{array}} \right]\quad \\ Y = \left[ {\begin{array}{*{20}{c}}0&1\\{-1}&2\end{array}} \right]\quad \quad Z = \left[ {\begin{array}{*{20}{c}}1\\0\\1\end{array}} \right]\quad \quad \;\quad \] order of matrix W is:单项选择题

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Given the matrices $$ A= \left[\begin{array}{ccc} -1&0&3 \\ -2&4&6 \end{array}\right] $$ and $$ B= \left[\begin{array}{cccc} -1&3&5&0 \\ 1&4&2&1 \end{array}\right] $$ if \( AX = B \) the order of matrix \(X\) is

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