Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Engineering Mathematics Linear Algebra Eigenvalues
Which of the following matrices is not diagonalizable over ℝ ?
1
\(\left(\begin{array}{lll}2 & 0 & 1 \\ 0 & 3 & 0 \\ 0 & 0 & 2\end{array}\right)\)
2
\(\left(\begin{array}{ll}1 & 1 \\ 1 & 1\end{array}\right)\)
3
\(\left(\begin{array}{lll}2 & 1 & 0 \\ 0 & 3 & 0 \\ 0 & 0 & 3\end{array}\right)\)
4
\(\left(\begin{array}{rr}1 & -1 \\ 2 & 4\end{array}\right)\)
5
Question Not Attempted