1. Consider the matrix 219 -1 C Co 128 4 0 5 87 Answer the following...

  

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1. Consider the matrix 219 -1 C Co 128 4 0 5 87 Answer the following questions: (a) What is the dimension of the matrix (in form of mxn)? (b) What is A2,3 and A3,2? (c) What is AT? (d) If XA = [1 -1 20], what is X? (e) If AY 2, what is Y? (f) Find matrices X and Y such that XAY = [9]. (g) Find matrices X and Y such that AXY 3 3 3 == 5 8 7 777 (h) Find matrices X and Y such that XYA = 5 [9 5 666 9 5 8 9 5 8 2. For X= 1 2 3 and Y = Calculate: (a) X+Y (b) X-Y 1. Consider the matrix 219 -1 C Co 128 4 0 5 87 Answer the following questions: (a) What is the dimension of the matrix (in form of mxn)? (b) What is A2,3 and A3,2? (c) What is AT? (d) If XA = [1 -1 20], what is X? (e) If AY 2, what is Y? (f) Find matrices X and Y such that XAY = [9]. (g) Find matrices X and Y such that AXY 3 3 3 == 5 8 7 777 (h) Find matrices X and Y such that XYA = 5 [9 5 666 9 5 8 9 5 8 2. For X= 1 2 3 and Y = Calculate: (a) X+Y (b) X-Y