Question: A Prove or disprove A Her. AYO @A>OA>O 270 U0(A) A70AB0ABO A70A invertible A 1(C) A > 0 A, B => tr(AB) = (ArB)

A Prove or disprove A Her. AYO @A>OA>O 270 U0(A) A70AB0ABO A70A

A Prove or disprove A Her. AYO @A>OA>O 270 U0(A) A70AB0ABO A70A invertible A 1(C) A > 0 A, B => tr(AB) = (ArB) (8) B= I has a unique det (A+B) = det A' + del B Sol. in 11, (0) A A,B> (10) det A: 7,0 A Her Ai where A are the leading principal submatrix of A.

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