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Symmetric and skew symmetric matrices
Last updated at Aug. 16, 2021 by Teachoo
Ex 3.3, 7 Show that the matrix A = [■8(1&−1&5@−1&2&1@5&1&3)] is a symmetric matrix A = [■8(1&−1&5@−1&2&1@5&1&3)] A’ = [■8(1&−1&5@−1&2&1@5&1&3)] ∴ A’ = A Hence, A is a symmetric matrix.