If \( A \) is a symmetric matrix and \( n \in N \), then \( A^{n} \...

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If \( A \) is a symmetric matrix and \( n \in N \), then \( A^{n} \) is
(1) Symmetric
\( \mathrm{P} \)
(2) Skew symmetric
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(3) A Diagonal matrix
(4) Zero matrix
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