engineering recuitment NFC Chemical Plant Operator Mock Test Mathematics Matrices Adjoint and Inverse of a Square Matrix
What should be the value of x so that the matrix \(\left( {\begin{array}{*{20}{c}} 2&4\\ { - 8}&{\rm{x}} \end{array}} \right)\) does not have an inverse?
1
16
2
-16
3
8
4
-8