Is ![\left[\begin{array}{ccc}0&1&4\\-1&0&7\\-4&-7&0\end{array}\right]](https://tex.z-dn.net/?f=+%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D0%26amp%3B1%26amp%3B4%5C%5C-1%26amp%3B0%26amp%3B7%5C%5C-4%26amp%3B-7%26amp%3B0%5Cend%7Barray%7D%5Cright%5D+ "\left[\begin{array}{ccc}0&1&4\\-1&0&7\\-4&-7&0\end{array}\right]")
symmetric or skew symmetric?
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Solution :
*************************************
A matrix is called
i ) Symmetric if A' = A
ii ) Skew-symmtric if A' = - A
**************************************
From above attachment,
A' = A
Therefore ,
Given matrix A is Skew-symmtric.
••••
*************************************
A matrix is called
i ) Symmetric if A' = A
ii ) Skew-symmtric if A' = - A
**************************************
From above attachment,
A' = A
Therefore ,
Given matrix A is Skew-symmtric.
••••
Attachments:
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