题目

设 A, B 为三阶方阵, |A| = -2, |B| = 2, 则 |2A^T B^-1| = ____.A. -2B. 8C. 2D. -8

设 $A, B$ 为三阶方阵, $|A| = -2$, $|B| = 2$, 则 $|2A^T B^{-1}| = \_\_\_\_$.

A. -2

B. 8

C. 2

D. -8

题目解答

答案

D. -8