If \( A=[a i j] \) is a square matrix of even order that aij \( =i^{2}-j^{2} \), then W.....

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If \( A=[a i j] \) is a square matrix of even order that
P
aij \( =i^{2}-j^{2} \), then
W.
(1) \( A \) is a skew-symmetric matrix and \( |A|=0 \)
(2) \( A \) is symmetric matrix and \( |A| \) is a square
(3) \( A \) is symmetric matrix and \( |A|=0 \)
(4) None of these


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