問題詳情
34. Let
(A) The rank of A is 3.
(B) The inverse matrix is
(C) If we define the characteristic polynomial of A is f(t)=det(A-tIn), then f(1)=-t3+3t2+3t-1.
(D) One of the eigenvalues is -1 and the corresponding eigenvector is (-2, 1, 2)T.
(E) The matrix cannot be diagonalized over the real field.
參考答案
答案：E
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中