The rank of the matrix is \(\left[ {\begin{array}{*{20}{c}} 1&2&1&2\\ – McqOptions

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1.	The rank of the matrix is \(\left[ {\begin{array}{*{20}{c}} 1&2&1&2\\ 1&3&2&2\\ 2&4&3&4\\ 3&7&4&6 \end{array}} \right]\)
A.	1
B.	2
C.	3
D.	4
Answer» D. 4

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