Question

if A=$\begin{vmatrix} i&-i \\\ -i&\,\,\,\,1 \end{vmatrix}$ and B=$\begin{vmatrix} 1&-1 \\\ -1& \,\,\,\,1 \end{vmatrix}$ then A8 equals_______

• A. 16B
• B. 128B
• C. 32B
• D. 8B

Answer 1

Answer: (B)

128B

Answer 2

The correct option is (B): 128B