What is the eigenvalue of the matrix (300520121)\begin{pmatrix} 3 & 0 & 0 \\ 5 & 2 & 0 \\ 1 & 2 & 1 \end{pmatrix}351022001?
3,2,13, 2, 13,2,1
5,2,15, 2, 15,2,1
1,2,31, 2, 31,2,3
0,0,00, 0, 00,0,0