QUESTION 1

Find, if possible, A + B, A - B, 2A, 2A - B, and B + - A. (If not possible, enter IMPOSSIBLE in any single cell.) 5 -6 4 A = 4 B = - 1 5 - 3 2 1 10 (a) A+B (b) A - B (c) 2A\fFind, if possible, AB and BA. (If not possible, enter IMPOSSIBLE in any single cell. ) 1 2 2 -1 A = B = 5 8 (a) AB (b) BAFind, if possible, AB and BA. (If not possible, enter IMPOSSIBLE in any single cell.) 2 1 0 -1 A = -4 4 B = 4 0 2 1 5 8 -1 7 (a) AB (b) BAFind, if possible, AB and BA. (If not possible, enter IMPOSSIBLE in any single cell.) w B=ll (a) AB C]: :l n (b) BA Find, if possible, AB and BA. (If not possible, enter IMPOSSIBLE in any single cell.) 1 2 A= _1, B=[2231] 2 (a) AB