tolong dikumpul besok

a. P = {0 1 2 3 4 5}, Q={-2 -1 0 1 2}, R={-1 0 1 2 3 4 5 6 7 8}, S={-3 -2 -1 0 1 2 3 4 5 6},

b. (P n Q) = {0 1 2}, (P n R) = {0 1 2 3 4 5}, (Q n R) = {-1 0 1 2},