If set A={1,2,3,4} and B={3,4,5,6}. Find A-B.(a) {1,2,3,4,5,6}(b) {3,4}(c) {1,2}(d) {5,6}This question was posed to me in semester exam.My query is from Operation on Sets-2 topic in section Sets of Mathematics – Class 11

If set A={1,2,3,4} and B={3,4,5,6}. Find A-B.(a) {1,2,3,4,5,6}(b) {3,4

1.	If set A={1,2,3,4} and B={3,4,5,6}. Find A-B.(a) {1,2,3,4,5,6}(b) {3,4}(c) {1,2}(d) {5,6}This question was posed to me in semester exam.My query is from Operation on Sets-2 topic in section Sets of Mathematics – Class 11
Answer» The CORRECT answer is (c) {1,2} EXPLANATION: A-B is the set of elements that belongs to A but not to B. Here, 1 and 2 belongs to A but not to B. So, A = {1,2,3,4} B = {3,4,5,6} A – B = {1,2,3,4} – {3,4,5,6} = {1,2}.

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