1.

If \(A=\begin{bmatrix} 1 & -5 & 7 \\\ 0 & 7 & 9 \\\ 11 & 8 & 9 \end{bmatrix}\), then trace of matrix A is

A. 17
B. 25
C. 3
D. 12
Answer» B. 25


Discussion

No Comment Found