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  • If A = {1, 2, 3, 4}, B = {3, 4, 5, 6}, C = {5, 6, 7, 8 }and D = { 7, 8, 9, 10 }; find (VII) B union C union D

Q. 4 If A = {1, 2, 3, 4}, B = {3, 4, 5, 6}, C = {5, 6, 7, 8 }and D = { 7, 8, 9, 10 }; find

(VII) B \cup C \cup D

Answers (1)

Here,B = {3, 4, 5, 6},

         C = {5, 6, 7, 8 } and 

         D = { 7, 8, 9, 10 }

The union can be written as

  B \cup C \cup D = {3,4,5,6,7,8,9,10}

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