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If a = {3, 5, 7, 9, 11} and B = {4, 7, 10}, Find: A∪B and N(A∪B) - Mathematics

One Line Answer

If A = {3, 5, 7, 9, 11} and B = {4, 7, 10}, find: A∪B and n(A∪B)

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Solution

A ∪ B = {3, 4, 5, 7, 9, 10, 11}

n(A ∪ B) = 7

Concept: Concept for Universal Sets
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Selina Concise Mathematics Class 7 ICSE
Chapter 13 Set Concepts (Some Simple Divisions by Vedic Method)
Exercise 13 (D) | Q 2.3
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