1.

The rank of the following matrix is\(\left( \begin{matrix} 1 & 1 & 0 & -2 \\ 2 & 0 & 2 & 2 \\ 4 & 1 & 3 & 1 \\ \end{matrix} \right)\)

A. 1
B. 2
C. 3
D. 4
Answer» C. 3


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