I have the following matrix
M=
2n-1 & n-1 & n
1 & 2n-3 & 0
1& 0 & 1
Here $n$ is a variable
I want to find its eigenvalues.
Is there any way to find the eigenvalues of this matrix in terms of $n$ in sagemath.
I even cant input a matrix in terms of a variable.
Can someone please help me out?
