1. 2. 3. Given A = 3 -1] 4 7 Given X = and B= 1 -2] [10 31 Show that (X+Y)(X-Y)# X²-Y² 1 [ and Y= 1 1 Given the matrix D= 2 -3 4 3 -2 -2 Determine AB and BA. -3 1 2 - find the inverse matrix of D.

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