6: Eigenvalues: Why det(A-λI) = 0 - Learning Linear Algebra

Full Learning Linear Algebra playlist: https://www.youtube.com/playlist?list=PLug5ZIRrShJHNCfEiX6l5CKbljWayGEcs Finding eigenvectors and eigenvalues. Why do we set the determinant of A-λI to zero? The explanation's right here! Video on determinants: https://youtu.be/A9eJdQt5quw New math videos every Monday and Friday. Subscribe to make sure you see them!