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Course: Class 9 (OD) > Unit 1

Lesson 4: Complement of a set
Math
Class 9 (OD)
Set Operations and Applications of Set
Complement of a set
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Complement of a set (intermediate)

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Problem

Let A and B be two sets belonging to the universal set U. U and complements of A and B are given below.
U={1,2,3,4,5,6,7,8,9,10}A′={5,6,7}B′={7,8,9,10}
Find (A∪B)′.
Choose 1 answer: