1.If An=[−nnn1−n]A_n = \begin{bmatrix} -n & n \\ n & 1-n \end{bmatrix}An=[−nnn1−n], then ∣A1+A2+⋯+A2021∣=|A_1 + A_2 + \cdots + A_{2021}| =∣A1+A2+⋯+A2021∣=a.−2021-2021−2021b.−(2021)2-(2021)^2−(2021)2c.(2021)2(2021)^2(2021)2d.404240424042Login to continueOnly logged in users canattempt or see the solution.
