Express the matrix `A=[4 2-1 3 5 7 1-2 1]` as the sum of a symmetric and a skew-symmetric matrix.

Express the matrix A=[42-13571-21] as the sum of a symmetric and a skew-symmetric matrix.

Express the matrix [ 2 0 −4 6 −2 2 0 8 4 ] as the sum of a symmetric and a skew symmetric matrix.

Express the matrix B=[2,-2,-4-1,3,41,-2,-3] as the sum of a symmetric and a skew symmetric matrix.

Express the matrix A=[323453245] as the sum of a symmetric and a skew-symmetric matrix.

Express the matrix A=[3-41-1] as the sum of a symmetric and a skew-symmetric matrix.

Express the matrix [[3,5],[1,-1]] as the sum of a symmetric and a skew symmetric matrix.

Express the matrix [3-2-43-2-5-112] as the sum of a symmetric and skew-symmetric matrix and verify your result.

Express the matrix A=[{:(2,3),(-1,4):}] as the sum of a symmetric matrix and a skew-symmetric matrix.

Express the matrix [{:(2 ,1),(3,4):}] as the sum of a symmetric and a skew-symmetric matrix.

Express the matrix A=[{:(3,-4),(1,-1):}] as the sum of a symmetric matrix and a skew-symmetric matrix.