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[" 8.aft "(1)A=[[0,a,b],[-a,0,c],[-b,-c,...

[" 8.aft "(1)A=[[0,a,b],[-a,0,c],[-b,-c,0]]" ,(ind) "(1)/(2)(A+A)" an (and) "(1)/(2)(A-A')],[" int "a_(n)=1," INCERTI "],[" 9.(i) aft (II) "A=[[3,-4],[1,-1]]" ,it feand fo (show that) "(A-A^(T))" y "]

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