Given the three matrices below, determine which of the following expressions are defined. If an expression is defined, compute its value. You can resize a matrix (when appropriate) by clicking and dragging the bottom-right corner of the matrix. A = 0-1-2 -5 2-5 5-3 B = -1 -5 C = 1 4 a) 5B+4C is not defined. b) -4B+AT is not defined. c) -4BT-C is not defined. 452 -3 3 T -2-4

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