Maharashtra State BoardHSC Arts 11th
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Answer the following: If U = {x/x ∈ N, 1 ≤ x ≤ 12}, A = {1, 4, 7, 10}, B = {2, 4, 6, 7, 11}, C = {3, 5, 8, 9, 12} Write down the set A ∪ B ∪ C - Mathematics and Statistics

Sum

Answer the following:

If U = {x/x ∈ N, 1 ≤ x ≤ 12}, A = {1, 4, 7, 10}, B = {2, 4, 6, 7, 11}, C = {3, 5, 8, 9, 12} Write down the set A ∪ B ∪ C

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Solution

U = {x/x ∈ N, 1 ≤ x ≤ 12} 

= {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

A = {1, 4, 7, 10}, B = {2, 4, 6, 7, 11}, C = {3, 5, 8, 9, 12}

A ∪ B ∪ C  = = {1, 4, 7, 10} ∪ {2, 4, 6, 7, 11} ∪ {3, 5, 8, 9, 12}

= {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

Concept: Types of Sets
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Balbharati Mathematics and Statistics 2 (Arts and Science) 11th Standard Maharashtra State Board
Chapter 5 Sets and Relations
Miscellaneous Exercise 5 | Q II. (2) (v) | Page 105
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