Jerry77981 Jerry77981

06-06-2023
Mathematics

contestada

Let A Є Mnxn (R). Prove or disprove the following statements. (a) If (Ay) (AT) y for all 7,7 R", then A = AT. . = .
(b) If x · (Ax) = (Ax)· x for all x R", then A = AT.

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