Let a relation R be defined by R = {(4, 5); (1, 4); (4, 6); (7, 6); (3, 7)} then \[{{R}^{-1}}oR\] is

{(1, 1), (4, 4), (7, 7), (3, 3)}

{(1, 1), (4, 4), (4, 7), (7, 4), (7, 7), (3, 3)}

Let a relation R be defined by R = {(4, 5); (1, 4); (4, 6); (7

1.	Let a relation R be defined by R = {(4, 5); (1, 4); (4, 6); (7, 6); (3, 7)} then \[{{R}^{-1}}oR\] is
A.	{(1, 1), (4, 4), (4, 7), (7, 4), (7, 7), (3, 3)}
B.	{(1, 1), (4, 4), (7, 7), (3, 3)}
C.	{(1, 5), (1, 6), (3, 6)}
D.	None of these
Answer» B. {(1, 1), (4, 4), (7, 7), (3, 3)}

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Let a relation R be defined by R = {(4, 5); (1, 4); (4, 6); (7, 6); (3, 7)} then \[{{R}^{-1}}oR\] is

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