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Show by direct calculation that AB and BA have the same trace when A = " a b c d# and B
Chapter 5, Problem 5.2.9(choose chapter or problem)
QUESTION:
Show by direct calculation that AB and BA have the same trace when A = " a b c d# and B = " q r s t# . Deduce that ABBA = I is impossible (except in infinite dimensions).
Questions & Answers
QUESTION:
Show by direct calculation that AB and BA have the same trace when A = " a b c d# and B = " q r s t# . Deduce that ABBA = I is impossible (except in infinite dimensions).
ANSWER:Step 1 of 2
Let’s show that and have the same trace.
Find the trace .