a relation from A to B is an arbitrary subset of:
a)A×B
b)B×B
c)AxA
Answers
Answer:
relation from a set A to a set B is a subset of A×B. A (binary) relation on A is a subset of A × A. It is important to remember that a relation is a set or ordered pairs. There need be no relationship between the components of the ordered pairs; any set of ordered pairs is a relation.
A relation from A to B is an arbitrary subset of A × B
Given :
A relation
To find :
A relation from A to B is an arbitrary subset of
a) A × B
b) B × B
c) A × A
Solution :
Step 1 of 2 :
Define relation
To define relation we define cartesian product
Let A and B are two sets. Then the Cartesian product of A and B is denoted by A × B and defined as
Now relation is defined as below
Let A and B are two non empty sets. Then a Relation R from A to B is a Subset of A × B
Step 2 of 2 :
Choose the correct option
Here the given sets are A and B
Now a Relation R from A to B is a Subset of A × B
Hence the correct option is a) A × B
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