Question: Exercise 2 If A = AT and B = BT, which of these matrices are certainly symmetric? . AA + BB . (B - A)(A

Exercise 2 If A = AT and B = BT, which of these matrices are certainly symmetric? . AA + BB . (B - A)(A + B) . BABA Hint, Use the following properties of matrix transposition: . (A + B)? = AT + BT . (AB) = BTAT

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