engineering recuitment BEL Probationary Engineers Mock Test 2025 Mathematics Matrices Types of Matrices
If A \(= \;\left[ {\begin{array}{*{20}{c}} 3&{ - 2}\\ 4&{ - 2} \end{array}} \right]\) , find k so that \({A^2} = kA - 2I\), where I is an identity matrix.
1
1
2
2
3
-1
4
4