Q21 of 109 Page 1

If A = {1, 2, 3}, then a relation R = {(2, 3)} on A is

∵ R={(1,1),(2,2),(3,3),(1,2),(1,3),(2,3),(3,2),(2,1),(3,1)}


Symmetric- {(2,3),(3,2)}


Transitive- {(1,2),(2,3),(1,3)}

More from this chapter

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19

If R is a relation on the set A = {1, 2, 3} given by R = (1, 1), (2, 2), (3, 3), then R is

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If A = {a, b, c, d}, then a relation R = {(a, b), (b, a), (a, a)} on A is

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Let R be the relation on the set A = {1, 2, 3, 4} given by

R = {(1, 2), (2, 2), (1, 1), (4, 4), (1, 3), (3, 3), (3, 2)}. Then,


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Let A = {1, 2, 3}. Then, the number of equivalence relations containing (1, 2) is