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Let R be the relation in the set N given...

Let R be the relation in the set N given by R=`{(a,b),b=a+3,bgt4}`. Which one of the following is correct

A

`(3,6) inR`

B

`(2,4) inR`

C

`(5,7) inR`

D

`(3,8) inR`

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