Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Mathematics Matrices Operations on Matrices
If \(\begin{bmatrix} 2 & 3 \\\ 4 & 1 \end{bmatrix} \times \begin{bmatrix} 5 & -2 \\\ -3 & 1 \end{bmatrix} = \begin{bmatrix} 1 & -1 \\\ 17 & λ \end{bmatrix}\) then what is λ equal to
1
7
2
-7
3
9
4
-9
5
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