Ononot — What is the rank of the matrix A = \begin{pmatrix} 0 & 0 & 0

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Linear Systemshard

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What is the rank of the matrix $A = \begin{pmatrix} 0 & 0 & 0 \\ 0 & 0 & 0 \\ 0 & 0 & 0 \end{pmatrix}$ ?