题目
设 A 为 n 阶可逆矩阵，则下列正确的命题是( )A. |A^*| = |A|^nB. |A^*| = |A|^n-1C. |A^*| = |A|D. |A^*| = |A||A^-1|
设 $A$ 为 n 阶可逆矩阵，则下列正确的命题是( )
A. $|A^*| = |A|^n$
B. $|A^*| = |A|^{n-1}$
C. $|A^*| = |A|$
D. $|A^*| = |A||A^{-1}|$
题目解答
答案
B. $|A^*| = |A|^{n-1}$
A. $|A^*| = |A|^n$
B. $|A^*| = |A|^{n-1}$
C. $|A^*| = |A|$
D. $|A^*| = |A||A^{-1}|$