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A={1,2,3}, B={2,3,4}, C={2,3,5}, D={1,3,5,7}. Find (A∩B) ∪ (C∩D).(a) A(b) B(c) C(d) DThe question was asked in homework.Origin of the question is Operation on Sets-2 topic in division Sets of Mathematics – Class 11

Answer» CORRECT choice is (C) C

To elaborate: Here, A={1,2,3}, B={2,3,4}, C={2,3,5}, D={1,3,5,7}

A∩B = {1,2,3}∩{2,3,4} = {2,3} and C∩D = {2,3,5}∩{1,3,5,7} = {3,5}.

(A∩B) ∪ (C∩D) = {2,3} ∪ {3,5} = {2,3,5} = C.


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