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  • Let A = {1, 2, 3, 4, 6}. Let R be the relation on A defined by {(a, b): a , b belongs to A, b is exactly divisible by a}.

Q5 (2)   Let A = {1, 2, 3, 4, 6}. Let R be the relation on A defined by
             \left \{ ( a,b): a ,b \epsilon A , b\: \: is\: \: exactly \: \: divisible\: \: by \: \: a \right \}  Find the domain of R

Answers (1)

best_answer

It is given that 
 A = {1, 2, 3, 4, 6}
And 
R = \left \{ ( a,b): a ,b \epsilon A , b\: \: is\: \: exactly \: \: divisible\: \: by \: \: a \right \}
Now,
As Domain of R = set of all first elements of the order pairs in the relation.
Therefore,
 Domain of   R = \left \{ {1, 2, 3, 4, 6} \right \}

 

Posted by

Gautam harsolia

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