C-02-Q054mediumsingle_mcqIf P={1,2,3,4,6,12}P = \{1, 2, 3, 4, 6, 12\}P={1,2,3,4,6,12} and Q={3,6,9,12}Q = \{3, 6, 9, 12\}Q={3,6,9,12}, then P−Q=P - Q =P−Q=a{3,6,12}\{3, 6, 12\}{3,6,12}b{1,2,4}\{1, 2, 4\}{1,2,4}c