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