\[\text {Eigenvalues (in increasing order): }\lambda _1=\answer {-2}, \quad \lambda _2=\answer {7}\]
Compute a basis for the eigenspace associated with each of these eigenvalues.
A basis for \(\mathcal {S}_{\lambda _1}\): \(\left \{\begin{bmatrix}1\\\answer {-1}\end{bmatrix}\right \}\)
A basis for \(\mathcal {S}_{\lambda _2}\): \(\left \{\begin{bmatrix}4\\\answer {5}\end{bmatrix}\right \}\)