Question
In: Computer Science
Given the set A = {‘ab’,22)} we know the Cartesian product A x A consists of...
- Given the set A = {‘ab’,22)} we know the Cartesian product A x A consists of 4 tuples (=2 x 2) and any subset of the Cartesian product is a relation. There are 16 possible subsets ( = 24 ) HINT: The documents: Sets in python and mathematics and RelationPascalTriangleExamples
- Display the Cartesian product (4 tuples)
ANS { }
- Display one relation with 3 tuples
ANS { }
- Using the formula nCr, how many relations are there with 2 tuples
ANS: ________
Solutions
Expert Solution
Display the Cartesian product (4 tuples)
ANS { ('ab', 'ab'), ('ab', 22) (22, 'ab'), (22, 22) }
Explanaiton: All concatenations
Display one relation with 3 tuples
ANS { ('ab', 22) (22, 'ab'), (22, 22) }
Explanaiton: Any 3 tuples of the previous answer
Using the formula nCr, how many relations are there with 2 tuples
Picking 2 from 4 tuples
4C2 = 4! / (2! 2!) = 6
Please up vote
ANS: ________
venereology answered 2 weeks agoRelated Solutions
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