Question

If An = $\begin{bmatrix} 1-n & n \\\ n & 1-n \\\ \end{bmatrix}$ then | A1 | + | A2 | + ….. + | A2021 | =

• A. -2021
• B. (2021)2
• C. -(2021)2
• D. 4042

Answer 1

Answer: (C)

-(2021)2

Answer 2

The correct answer is (C) : -(2021)2.