Diagonalizing a matrix with repeated eigenvalues

Today we will be diagonalizing a 3x3 matrix with repeated eigenvalues. Leave a problem in the comments below for me to work next week! Follow me on Instagram for more content, video previews, behind-the-scenes:   / epicmathtime   "Fireside" Instrumental by Homage    / homage253   Outro: "Lateralus" as performed by Sakis Strigas Originally by Tool    • Tool - Lateralus (Instrumental Cover)   My current equipment for making videos (affiliate links): Camera: https://amzn.to/2HSJXDR Microphone(s): https://amzn.to/2SnpWY5 Audio Interface: https://amzn.to/3fcjMoc