Ononot — How many pivots does the matrix A = \begin{pmatrix} 1 & 2 &

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Linear Systemseasy

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How many pivots does the matrix $A = \begin{pmatrix} 1 & 2 & 3 \\ 0 & 0 & 0 \\ 0 & 0 & 0 \end{pmatrix}$ have?