The matrix A=\(\begin{bmatrix}1&2\\2&1\end{bmatrix}\) is a ___________

1.	The matrix A=\(\begin{bmatrix}1&2\\2&1\end{bmatrix}\) is a ____________
A.	symmetric matrix
B.	skew-symmetric matrix
C.	null matrix
D.	diagonal matrix
Answer» B.

Discussion

If A=\(\begin{bmatrix}a&b\\c&d\end{bmatrix}\), then which of the following is skew-symmetric?
If A=\(\begin{bmatrix}1&0\\0&1\end{bmatrix}\), then which of the following statement is incorrect?
The matrix A=\(\begin{bmatrix}2&9\\2&6\end{bmatrix}\) as a sum of symmetric and skew-symmetric matrix is ______
The matrix A=\(\begin{bmatrix}0&1&1\\1&0&-1\\-1&1&0\end{bmatrix}\) is symmetric.
The matrix A=\(\begin{bmatrix}0&1&-1\\-1&0&1\\1&-1&0\end{bmatrix}\) is __________
The matrix A=\(\begin{bmatrix}1&2\\2&1\end{bmatrix}\) is a ____________