1. Verify A(BC) = (AB)C in each of the following cases. [ 2 - 2 T2 4 37 13 17 (i) A= 1,B= 3 3 and C= 2-1 3 2 1 11 31 1-1 11 2 -1 10 11 12 (ii) A= 2 3 0,B= -1 Lo 4 5] Lo 35 mob and (2 0 -2]