Which of the following set operations is not commutative?
(a) Union
(b) Intersection
(c) Set difference
(d) None of the mentioned
(a) Union
(b) Intersection
(c) Set difference
(d) None of the mentioned
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Right choice is (c) Set difference
For explanation I would say: The set difference operation is not commutative. As the position of the set difference operator affects the result of the operation.