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If R^-1={(x,y):x inNN,y inNN and x+y =8}...

If `R^-1={(x,y):x inNN,y inNN and x+y =8}` then R = ?

A

(7,1)

B

(6,2)

C

(5,3)

D

(1,4)

Text Solution

Verified by Experts

The correct Answer is:
A,B,C
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