Let `R` be a relation on the set `A` of ordered pairs of integers defined by `(x ,\ y)\ R\ (u ,\ v)` iff `x v=y udot` Show that `R` is an equivalence relation.

Let R be a relation on the set A of ordered pairs of positive integers defined by (x, y) R (u, v) if and only if xv= yu. Show that R is an equivalence relation.

Let R be a relation on the set A of ordered pairs of positive integers defined by (x , y) R (u , v) if and only if x v = y u . Show that R is an equivalence relation.

Let R be a relation on the set A of ordered pairs of positive integers defined by (x , y)"R"(u , v) if and only if x v=y u . Show that R is an equivalence relation.

Let R be a relation on the set A of ordered pairs of positive integers defined by (x,y) R (u,v) if and only if xv = yu. Show that R is an equivalence relation.

Let R be a relation on the set A of ordered pairs of positive integers defined by (x,y) R (u,v) if and only if xv = yu. Show that R is an equivalence relation.

Let R be a relation on the set A of ordered pairs of positive integers defined by (x, y) R (u, v), if and only if xv = yu. Show that R is an equivalence relation.

Let R be a relation on the set A of ordered pairs of positive integers defined by (x,y)R(u,v) if and only if xv=yu Show that R is an equivalence relation.

Let R be a relation on the set A of ordered pairs of integers defined by (x,y)R(u,v) iff xv=yu .Show that R is an equivalence relation.

Let R be a relation on the set A of ordered pairs of positive integers defined by R, (x, y) R (u, v) , if and only if xv = yu . Show that R is an equivalence relation.

Let R be a relation on the set of all real numbers defined by xRy iff |x-y|leq1/2 Then R is