1.

If matrix \({\rm{A}} = \left[ {\begin{array}{*{20}{c}} {1 - {\rm{i}}}&{\rm{i}}\\ { - {\rm{i}}}&{1 - {\rm{i}}} \end{array}} \right]\) where \(\rm i = \sqrt {-1},\) then which one of the following is correct?

A. A is hermitian
B. A is skew-hermitian
C. (A̅)T + A is hermitian
D. (A̅)T + A is skew-hermitian
Answer» D. (A̅)T + A is skew-hermitian


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