Calcule e obtenha o valor de X= A+A^t
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Bem...''X'' é igual a:
![\left[\begin{array}{ccc}1&-1&0\\2&3&4\\0&1&-2\end{array}\right]](https://tex.z-dn.net/?f=++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%26amp%3B-1%26amp%3B0%5C%5C2%26amp%3B3%26amp%3B4%5C%5C0%26amp%3B1%26amp%3B-2%5Cend%7Barray%7D%5Cright%5D+ "\left[\begin{array}{ccc}1&-1&0\\2&3&4\\0&1&-2\end{array}\right]")
+
![\left[\begin{array}{ccc}1&2&0\\-1&3&1\\0&4&-2\end{array}\right]](https://tex.z-dn.net/?f=++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%26amp%3B2%26amp%3B0%5C%5C-1%26amp%3B3%26amp%3B1%5C%5C0%26amp%3B4%26amp%3B-2%5Cend%7Barray%7D%5Cright%5D+ "\left[\begin{array}{ccc}1&2&0\\-1&3&1\\0&4&-2\end{array}\right]")
=
![\left[\begin{array}{ccc}2&1&0\\1&6&5\\0&5&-4\end{array}\right]](https://tex.z-dn.net/?f=++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D2%26amp%3B1%26amp%3B0%5C%5C1%26amp%3B6%26amp%3B5%5C%5C0%26amp%3B5%26amp%3B-4%5Cend%7Barray%7D%5Cright%5D+ "\left[\begin{array}{ccc}2&1&0\\1&6&5\\0&5&-4\end{array}\right]")
+
=
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