If \( \mathrm{A} \) is a skew - symmetric matrix and \( \mathrm{n} \) is an even positive intege...

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If \( \mathrm{A} \) is a skew - symmetric matrix and \( \mathrm{n} \) is an even positive integer, then \( \mathrm{A}^{\mathrm{n}} \) is
(1) a symmetric matrix
P
(2) a skew-symmetric matrix
W
(3) a diagonal matrix
(4) zero matrix
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