how many binary relations are there on a set S with 9 distinct elements?
Answers
Answer:
281
Step-by-step explanation:
a relation on s is defined as s×s. There are 9^2 number of ordered pair in reaction
DEFINITION TO BE MEMORISED
CARTESIAN PRODUCT OF SETS
Let A & B be any two non empty sets. The Cartesian product of A and B is denoted by A × B and defined by :
BINARY RELATION
Let A and B be any two non empty sets. A binary relation R between A and B is a subset of A × B
NUMBER OF BINARY RELATIONS
If A and B be any two non empty sets such that
Then the number of binary relations between A & B
Using the same we can say that the number of binary relations on a set containing n is
TO DETERMINE
The number of binary relations are there on a set S with 9 distinct elements
CALCULATION
Hence The number of binary relations the set S
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