Question

if A= {1,2,3} B={3,4,5} find AUB and AnB​

Answer 1

Answer:

AUB = {1,2,3,4,5} , AnB = {3}

Step-by-step explanation:

Concept:

• Union of 2 sets A and B is the new set consisting of all the elements present in A and B. If there is any repeating element then it should be added only one. Union of two sets is represented with U.
• Intersection of two sets A and B is the new set with only the common elements of both the sets.

Given:

A= {1,2,3} B={3,4,5}

To find:

AUB and AnB​

Solution:

According to the concept mentioned,

A U B = {1,2,3,4,5}

A n B = {3}

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