using matlab

11. Find the determinant, eigenvalues and eigenvectors of A [7 -2 11 A = -2 10 2 [1 -2 7] 1/72 1/13 Show that eigenvalues of A are equal to P-1 AP if P = 0 1/13 |-1/72 1/13 1/16 2/16 1/16