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Find Is SkewSymmetric matrix [[0,2,3],[-2,0,6],[-3,-6,0]]

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Your problem -> Is SkewSymmetric matrix [[0,2,3],[-2,0,6],[-3,-6,0]]

A square matrix A=[a_(ij)] is said to be a skew symmetric if A = -A^T i.e. a_(ij) = -a_(ji) for all i,j.
Note : In a skew symmetric matrix, all the diagonal elements are always zero.

A =
 0 2 3 -2 0 6 -3 -6 0

A^T =
 0 2 3 -2 0 6 -3 -6 0
T
=
 0 -2 -3 2 0 -6 3 6 0

(-1) × (A^T) = -1 ×
 0 -2 -3 2 0 -6 3 6 0
=
 0 2 3 -2 0 6 -3 -6 0

Here, A and -A^T are equal, so A is a skew symmetric matrix

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