True or false (give a reason if true or a 2 by 2 example if false): (a) If A is not
Chapter 5, Problem 28(choose chapter or problem)
True or false (give a reason if true or a 2 by 2 example if false): (a) If A is not invertible then AB is not invertible. (b) The determinant of A is always the product of its pivots. (c) The determinant of A - B equals det A - det B. (d) AB and BA have the same determinant.
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