Determine Whether the Matrix $$\left[ \begin{array} { l l l l } 1 & 0 & 0 & 2 \\0 & 1 & 0 & 3 \\0 & 0 & 1 & 4\end{array} \right]$$

question 110

Essay

Determine whether the matrix $$\left[ \begin{array} { l l l l } 1 & 0 & 0 & 2 \\0 & 1 & 0 & 3 \\0 & 0 & 1 & 4\end{array} \right]$$ is in echelon or reduced echelon form. Write the corresponding system of equations.

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