Question: 2. Given the matrices 1 2 3 A = B -[23 -3 (a) Find AAT (b) Find 4B - 2B +2122 where I22 is

2. Given the matrices 1 2 3 A = B -[23 -3

2. Given the matrices 1 2 3 A = B -[23 -3 (a) Find AAT (b) Find 4B - 2B +2122 where I22 is the 2 by 2 identity matrix. (c) Solve the equation for K. [2 K 1 1 0 3 K 08-5] = 0

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