Solve this
Question:

If $A=\left[\begin{array}{ll}0 & i \\ i & 1\end{array}\right]$ and $B=\left[\begin{array}{ll}0 & 1 \\ 1 & 0\end{array}\right]$, find the value of $|A|+|B|$.

Solution:

$A=\left[\begin{array}{ll}0 & i\end{array}\right.$