# DM-Sets,Relations and Functions-Q12

Let $R$ denote a relation on the set of all ordered pairs of positive integers by $(x,y)R(u,v)$ if and only if $xv=yu$. Which of the following is true?

(A). $R$ is a partial order relation

(B). $R$ is an equivalence relation

(C). $R$ is neither partial order relation nor equivalence relation

(D). $R$ is an antisymmetric relation

reshown Jul 6, 2019