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If A is a skew-symmetric matrix of odd o...

If A is a skew-symmetric matrix of odd order `n ,` then `|A|=0`

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As A is skew symmetric matrix of odd order
Let `A=|[​0,−1,−2​],[1,0,−3],[​2,3,0]|`
​so,`A=−A'`(As A is skew symmetric)
=`|A|=|A'|`
=`|A|=-|A'|`
=`|A|=-|A|`
=`2|A|=0`
...
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