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Let 'R' be a relation on N, set of all n...

Let 'R' be a relation on N, set of all natural numbers given by `R=[(a,b):a-b=2]` Then :

A

`(2,4)inR`

B

`(10,8)inR`

C

`(6,8)inR`

D

`(8,7)inR`

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