Which one of the following relations on R is an equivalence relation?

Which one of the following relations on RR is an equivalence relation ?

Which of one of the following relations on R is equivalence relation

Which of one of the following relations on R is equivalence relation

Which one of the following relations on R is equivalence relation x R_1y |x|=|y| b. x R_2y xgeqy c. x R_3y x|x y(xd i v i d e sy)| d. x R_4y x

In the set Z of all integers, which of the following relation R is not an equivalence relation?

In the set of integers Z, which of the following relation R is not an equivalence relation?

In the set Z of all integers, which of the following relation R is not an equivalence relation

In the set of integers Z, which of the following relation R is not an equivalence relation ?

Which of the following defined on Z is not an equivalence relation ?

In a Euclidean plane,which one of the following is not equivalence relation?