Write a square matrix of order 2, which is both symmetric and skew symmetric.

Explanation

A matrix `A` is symmetric, when

`A = A^T->(1)`

A matrix `A` is skew symmetric, when

`A = -A^T->(2)`

Adding `(1)` and `(2)`,

`=> 2A = 0`

`=>A = 0`

So, required matrix will be,

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