What is the eigenvalue and the corresponding eigenvector of the following matrices: [1 1 1, -1 -3 -3, 2 4 4]? - Quora
![linear algebra - Eigenvalues of $\left[\begin{smallmatrix}1 & 1 & 2 \\1 & 2 & 1 \\2 & 1 & 1 \\ \end{smallmatrix}\right]$ - Mathematics Stack Exchange linear algebra - Eigenvalues of $\left[\begin{smallmatrix}1 & 1 & 2 \\1 & 2 & 1 \\2 & 1 & 1 \\ \end{smallmatrix}\right]$ - Mathematics Stack Exchange](https://i.stack.imgur.com/EjB1l.jpg)
linear algebra - Eigenvalues of $\left[\begin{smallmatrix}1 & 1 & 2 \\1 & 2 & 1 \\2 & 1 & 1 \\ \end{smallmatrix}\right]$ - Mathematics Stack Exchange
![Solution 35032: Calculating the Eigenvalue and Eigenvector of a Matrix on the TI-Nspire™ CAS Family. Solution 35032: Calculating the Eigenvalue and Eigenvector of a Matrix on the TI-Nspire™ CAS Family.](https://education.ti.com/images/kbase/C35032SS03.jpg)