The rank of the matrix \(B = \left[ {\begin{array}{*{20}{c}} { - 2}&4 – McqOptions

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

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