plz check2

WRITE THE FOLLOWING RELATION ON THE SET {1,2,3,4,5,6,7}AS THE SET OF ORDERED PAIR-
R={(X,Y):X IS RELATIVELY PRIME TO Y}

SOLUTION:
R={(2,3),(2,5),(2,7),(3,2),(3,4),(3,5),(3,7),(4,3),(4,5),(4,7),(5,2),(5,3),(5,4),(5,6),(5,7),
(6,5),(6,7),(7,2),(7,3),(7,4),(7,5),(7,6)}

IS MY ANSWER CORRET????

7 Answers

1
ANKIT GOYAL ·

relative prime means no not having common factors other then one

62
Lokesh Verma ·

no we dont have to take (2,2) either..

62
Lokesh Verma ·

john your answer is absolutely correct. that again is a typing mistake there..

1
JOHNCENA IS BACK ·

ok..thanx.

1
JOHNCENA IS BACK ·

sir................1 thing i wanted to ask....................aren't (1,1),(1,2).......................and so on..............aren't they relatively prime????????????

1
Manas ·

@john, accorrding to the defination ur answer is correct

9
Celestine preetham ·

ya we need to take 1,1),(1,2).......................and so on.............. also

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