1 Exercise 2.1.27 Consider the matrices A = - - - 3 B 1 - D= 2-52 [ 3 - 2 ²] c = [1 8] ,C= -3 21 5 0 1 1 P-[4-3-0 } ], E = [ } ] Find the following if possible. If it is not possible explain why. (a) -3AT (b) 3B-AT (c) ETB

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