Find the Dimension of Matrix A $$A = \left[ \begin{array} { l } 1 \\2 \\3 \\4\end{array} \right]$$

question 76

Essay

Find the dimension of matrix A. $$A = \left[ \begin{array} { l } 1 \\2 \\3 \\4\end{array} \right]$$

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