题目
522 已知 alpha = (1, -2, 3)^T 是矩阵 A = }3 & 2 & -1 a & -2 & 2 3 & b & -1 的特征向量，则 (A. a = -2, b = 6.B. a = 2, b = -6.C. a = 2, b = 6.D. a = -2, b = -6.
522 已知 $\alpha = (1, -2, 3)^{T}$ 是矩阵 $A = \begin{bmatrix}3 & 2 & -1 \\a & -2 & 2 \\3 & b & -1\end{bmatrix}$ 的特征向量，则 (
A. a = -2, b = 6.
B. a = 2, b = -6.
C. a = 2, b = 6.
D. a = -2, b = -6.
题目解答
答案
A. a = -2, b = 6.