2. Write down the union and intersection of the following pairs of sets: (i) A = {1, 2, 3, 4, 5, 6} B = {1, 3, 5, 7, 9} (ii) X = {a, b, c, d, e) Y = {c, e, f, g} (iii) P = {x: x is a multiple of 2 between 9 and 21} Q = {x: x is a multiple of 3 between 10 and 20} (iv) M = {letters in the word 'COMPUTER'} N = {letters in the word 'CALCULATOR"} ​