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What is the order of the matrix $A=\begin{bmatrix} a & 1 & x \\ 2 & \sqrt 3 & x^2 y \\ 0 & 5 & \frac{2}{5} \end{bmatrix}$

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• A matrix having m rows and n column is called a matrix of order $m\times n$
Hence here we have 3 rows and 3 column.
$\Rightarrow$ order of matrix=$m\times n$
$\qquad\qquad\qquad=3\times 3$