Question
A relation is defined from a set to a set as follows:
is relatively prime to .Express R as a set of ordered pairs and determine its domain and range.
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Text solutionVerified
A relation from the set to is defined as, is relatively prime to .
Now, it is seen that is relatively prime to , [HCF of and is ]
So,
Similarly, is relatively prime to so that etc.
So, we get
Thus, domain and range .
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Question 2
Let , Which of the following sets of ordered pairs are (i) relations (ii) functions (iii) neither, from A to B (a) = {(1, 3), (3, 3), (5, 17), (1, 2)}
(b) = {(3, 7), (4, 5), ( 5, 30)}
(c)
(d)
(e)
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Question Text | A relation is defined from a set to a set as follows: is relatively prime to .Express R as a set of ordered pairs and determine its domain and range. |
Answer Type | Text solution:1 |
Upvotes | 150 |