. (a) Give an example to show that if A and B aresymmetric n n matrices, then AB need
Chapter 3, Problem 3.2.36(choose chapter or problem)
. (a) Give an example to show that if A and B aresymmetric n n matrices, then AB need not besymmetric.(b) Prove that if A and B are symmetric n n matrices,then AB is symmetric if and only if AB BA.A square matrix is called skew-symmetric if AT A.3
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