engineering recuitment RVUNL JEn (RSEB) Mock Tests 2025 Control Systems State Space Analysis Controllability
A system is represent in state space as x = Ax + Bu, where \(A = \left[ {\begin{array}{*{20}{c}} 2&5\\ {\rm{\alpha }}&4\end{array}} \right]\) and \(B = \left[ {\begin{array}{*{20}{c}} 1\\ 0 \end{array}} \right]\). The value of α for which the system is not controllable
1
-1
2
1
3
0
4
2
5
Can't be determined