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If $A=\left[\begin{array}{cc}i & 0 \\ 0 & -i\end{array}\right]$, $B=\left[\begin{array}{ll}0 & i \\ i & 0\end{array}\right]$
where $i=\sqrt{-1}$, then the correct relation is
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where $i=\sqrt{-1}$, then the correct relation is
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Verified Answer
The correct answer is:
$A^2=B^2$
Relation $A^2=B^2$ is true because $A^2=\left[\begin{array}{cc}-1 & 0 \\ 0 & -1\end{array}\right]$ and $B^2=\left[\begin{array}{cc}-1 & 0 \\ 0 & -1\end{array}\right]$ have same matrices.
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