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# In the matrix $A=\begin{bmatrix} 2 & 5 & 19 & -7 \\ 35 & -2 & \frac{5}{2} & 12 \\ \sqrt 3 & 1 & -5 & 17 \end{bmatrix}$Write (i) The order of the matrix .

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• A matrix having m rows & n columns is called a matrix of order $m\times n$
Given
$A=\begin{bmatrix} 2 & 5 & 19 & -7 \\ 35 & -2 & \frac{5}{2} & 12 \\ \sqrt 3 & 1 & -5 & 17 \end{bmatrix}$
The above given matrix has 3 rows and 4 columns.
The order of the matrix $\Rightarrow m\times n=3\times 4.$