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 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_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\ 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 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

Let R be a relation on the set of all lines in a plane defined by (l_(1),l_(2))in R line l_(1) is parallel to line l_(2). Show that R is an equivalence relation.

Let R be a relation on the set of all line in a plane defined by (l_1, l_2) in R iff l_1 is parallel to line l_2dot Show that R is an equivalence relation.

Let R be a relation on the set of all line in a plane defined by (l_(1),l_(2))in R hArr l in el_(1) is parallel to line l_(2). Show that R is an equivalence relation.