Consider the eigenvalues given by Eq. (39) in the text. Show that (1X + 2Y) 2 4(12 12)XY
Chapter 9, Problem 7(choose chapter or problem)
Consider the eigenvalues given by Eq. (39) in the text. Show that (1X + 2Y) 2 4(12 12)XY = (1X 2Y) 2 + 412XY. Hence conclude that the eigenvalues can never be complex.
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