Let X = {Ram, Geeta, Akbar} be the set of students of Class XI, who are in school hockey team. Let Y = {Geeta, David, Ashok} be the set of students from Class XI who are in the school football team. Find X ∪ Y and interpret the set.

Question

TextUnion of Sets

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Let A = { 2, 4, 6, 8} and B = { 6, 8, 10, 12}. Find A ∪ B.

Let A = { a, e, i, o, u } and B = { a, i, u }. Show that A ∪ B = A

Find the union of each of the following pairs of sets :

CASE_STUDIESUnion of Sets

Let A = { a, b }, B = {a, b, c}. Is A ⊂ B ? What is A ∪ B ?

If A and B are two sets such that A ⊂ B, then what is A ∪ B ?

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