eNotes Homework Help is a way for educators to help students understand their school work. Our experts are here to answer your toughest academic questions! Once it’s posted to our site, your question could help thousands of other students.
Eigenvalues, Eigenvectors, and Eigenspaces
MathSolving the characteristic equation `det(A - kI) = 0` We have `(2-k)(k^2-k-2) = 0` giving that the eigenvalues are `k=-1` or `2`. A non-zero vector `v_k` in the null space of `A- kI` is the...