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Let A be the 2 x 2 matrix all a12 a21 a22 where all, a12, a21, a22 E R. Show that if @12021 > 0,

Let A be the 2 x 2 matrix all a12 a21 a22 where all, a12, a21, a22 E R. Show that if @12021 > 0, then A has two distinct real eigenvalues

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