- #1
WantToBeSmart
- 10
- 0
Homework Statement
I need to prove that a 4x4 matrix has 2 zero eignenvalues.
2. The attempt at a solution
I have tried to obtain the characteristic equation but calculating the determinant of a relevant 4x4 is rather daunting as there aren't many zeros.
I was wondering if there is any other way to prove the statement without resorting to this brute force approach.
Thank you in advance!