Question: Problem 1. Let /2 be the 2 x 2 identity matrix and consider the matrices 1 3 2 N 4 A = 6 1 ,

Problem 1. Let /2 be the 2 x 2 identity matrix and consider the matrices 1 3 2 N 4 A = 6 1 , B = and C = 0 -1 3 4 2 6 0 2 7 5 2 Compute each or state why it does not exist. (a) AtB, (b) 2A, (c) A . B, (d) B . A, (e) 21 - A, ( f ) tr( A), (g) tr( B), (h) B . C

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