Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test 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
More than one of the above
5
None of the above