C-01-Q079mediumsingle_mcq

$A = \begin{bmatrix} 0 & 0 & 2i \\ 0 & 2i & 0 \\ 2i & 0 & 0 \end{bmatrix}$ হলে $A^2 + 4I = ?$ (যেখানে $i^2 = -1$ )

A=[002i02i02i00]A = \begin{bmatrix} 0 & 0 & 2i \\ 0 & 2i & 0 \\ 2i & 0 & 0 \end{bmatrix}A=​002i​02i0​ হলে A2+4I=?A^2 + 4I = ?A2+4I=? (যেখানে i2=−1i^2 = -1i2=−1)