For $c\in\mathbb C$, $\overline{cA}=\overline c\,\overline A$. Entrywise, $\overline{ca_{ij}}=\overline c\,\overline{a_{ij}}$. The scalar must be conjugated too: $\overline{iA}=-i\,\overline A$, generally not $i\,\overline A$.
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