Ononot — Determine the rank of A = \begin{pmatrix} 1 & 0 & 1 \\ 0 & 1

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Linear Systemsmedium

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Determine the rank of $A = \begin{pmatrix} 1 & 0 & 1 \\ 0 & 1 & 0 \\ 1 & 0 & 1 \end{pmatrix}$ .