C-02-Q079mediumsingle_mcqIf A={1,2,3}A = \{1, 2, 3\}A={1,2,3} and B={4,5}B = \{4, 5\}B={4,5}, then A∩B=A \cap B =A∩B=a{1,2}\{1, 2\}{1,2}b∅\varnothing∅c{3}\{3\}{3}