Find Order  of matrix : \begin{bmatrix} 1 & 2 & 6 \\ 2 & 4 & 3 \en | Filo
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Find Order  of matrix :  

Solution: Let A=\left[ { \begin{array} { *{ 20 }{ c } }1 & 2 & 6 \\ 2 & 4 & 3 \\  &  &  \end{array} } \right]  


=\left[ { \begin{array} { *{ 20 }{ c } }1 & 2 & 6 \\ 0 & 0 & { -9 } \\  &  &  \end{array} } \right] 

Since their are two non-zero rows therefore order of matrix is  

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