Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Engineering Mathematics Linear Algebra Matrix Algebra
The rank of the matrix \(\left[\begin{array}{rrr}1 & -1 & 2 \\ 3 & 1 & -4 \\ 1 & 1 & -1\end{array}\right]\) is
1
2
2
3
3
4
4
1
5
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