If R be a relation < from $$A={1$$,$$2$$,$$3$$,$$4}$$ to $$B={1$$,$$3$$,$$5}$$ , that is, (a$$,$$b)∈R⇔a

Correct option is 2{(3,3),(3,4),(4,5)}

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

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

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

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

{(3,3),(3,5),(5,3),(5,5)}

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detailed solution

Correct option is B

We have, R={(1,3),(1,5),(2,3),(2,5),(3,5),(4,5)}R−1={(3,1),(5,1),(3,2),(5,2),(5,3),(5,4)} Hence, RoR−1={(3,3),(3,5),(5,3),(5,5)}

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If R be a relation < from A={1,2,3,4} to B={1,3,5} , that is, (a,b)∈R⇔a<b , then RoR−1 is

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