Question

4. If 2 sets A and B are given, then the set consisting of all the elements which are either in A or in B or in both is called
Intersection of A and B
union of A and B
Complement of A
Complement of B

Answer 1

Answer:

If two sets A and B are given then the set consisting of all the elements which are either in A or in B or in both is called A = intersection of A and B B = union of A and B C = complement of A D = complement of B.

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Answer 2

The set consisting of all the elements which are either in A or in B or in both is called union of A and B

Given:

2 sets A and B

To Find:

The set consisting of all the elements which are either in A or in B or in both

Solution:

The set consisting of all the elements which are either in A or in B or in both is called union of A and B

Union of  A and B = A U B

An union of two sets is a set composed of all the elements of both sets

An intersection of two sets is a set consisting of elements shared by both of  the sets.

Hence Intersection of A and B , = A ∩ B  = set consisting of all the elements  in both

Complement of A = Set of elements which are not the elements of A

Complement of B = Set of elements which are not the elements of B

Hence, The set consisting of all the elements which are either in A or in B or in both is called union of A and B