Let `R` be the relation over the set of all straight lines in a plane such that `l_1\ R\ l_2hArrl_1_|_l_2`. Then, `R` is (a) symmetric (b) reflexive (c) transitive (d) an equivalence relation

Let R be the relation over the set of all straight lines in a plane such that l_(1) Rl_(2) hArr l_(1)bot l_(2) . Then R is

Let R be the relation over the set of all straight lines in a plane such that l_(1) R l_(2) iff l_(1) _|_ l_(2) . Then, R is

Let R be the relation over the set of straight lines of a plane such that l_1 R l_2 iff l_1 bot l_2 . Then R is

Let R be the relation over the set of straight lines in a plane such that l R m iff l bot m . Then R is :

If R is a relation on the set of all straight lines drawn in a plane defined by l_(1) R l_(2) iff l_(1)botl_(2) , then R is

Let A be a relation on the set of all lines in a plane defined by (l_(2), l_(2)) in R such that l_(1)||l_(2) , the n R is

R is a relation on the set Z of integers and it is given by (x ,\ y) in RhArr|x-y|lt=1. Then, R is (a) reflexive and transitive (b) reflexive and symmetric (c) symmetric and transitive (d) an equivalence relation

R is a relation on the set Z of integers and it is given by (x ,\ y) in RhArr|x-y|lt=1. Then, R is (a) reflexive and transitive (b) reflexive and symmetric (c) symmetric and transitive (d) an equivalence relation

S is a relation over the set R of all real numbers and it is given by (a ,\ b) in ShArra bgeq0 . Then, S is symmetric and transitive only reflexive and symmetric only (c) antisymmetric relation (d) an equivalence relation

S is a relation over the set R of all real numbers and it is given by (a ,\ b) in ShArra bgeq0 . Then, S is symmetric and transitive only reflexive and symmetric only (c) antisymmetric relation (d) an equivalence relation