engineering recuitment ONGC AEE Mechanical Mock Test 2025 Mathematical Science Linear Algebra Eigenvalues and Eigen Vectors
Let \(A=\left[\begin{array}{rrr}1 & 1 & 2 \\ 1 & -2 & 5 \\ 2 & 5 & -3\end{array}\right]\) Then the eigenvalues of A are
1
-4, 3, -3
2
4, 3, 1
3
4, -4±√13
4
4, -2±2√7
5
-4, 3, -8