Ononot — Find the dimension of the row space of A = \begin{pmatrix} 1

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Vectors & Spacesmedium

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Find the dimension of the row space of $A = \begin{pmatrix} 1 & 0 & 0 \\ 0 & 1 & 0 \\ 1 & 1 & 0 \end{pmatrix}$ .