Teaching HSSC TGT 2023 Mock Test (Latest Pattern) Engineering Mathematics Linear Algebra Matrix Algebra
If A = \(\left(\begin{array}{ccc}3 & 2 & 2 \\ 1 & 2 & 2 \\ −1 & −1 & 0\end{array}\right)\) and if A2 + 8I − 4A−1 = kA then k = ?
1
−5
2
5
3
2
4
1
5
Not Attempted