If R be a relation < from A = {1, 2, 3,4...

If `R` be a relation `<` from `A = {1, 2, 3,4) to B = (1,3,5)` that is `(a, b) in R iff a lt b`, then `R o R^-1` is

A

a) `{(1,3),(1,5),(2,3),(2,5),(3,5),(4,5)}`

B

b) `{(3,1),(5,1),(3,2),(5,2),(5,3),(5,4)}`

C

c) `{(3,3),(3,5),(5,3),(5,5)}`

D

d) `{(3,3),(3,4),(4,5)}`

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The correct Answer is:

C

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