Let A = a b c d Show that (a) A is diagonalizable if (a d)2 + 4bc > 0. (b) A is not
Chapter 5, Problem 28(choose chapter or problem)
Let A = a b c d Show that (a) A is diagonalizable if (a d)2 + 4bc > 0. (b) A is not diagonalizable if (a d)2 + 4bc < 0. [Hint: See Exercise 29 of Section 5.1.]
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