Check of `R: Z rarr z`, R = {(a, b)/2 divides a-b} is equivalence relation

R sube A xx A (where A ne 0 ) is an equivalence relation if R is

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

In order that a relation R defined on a non-empty set A is an equivalence relation, it is sufficient, if R

Let A = {6, 8}, B = {1, 3, 5} Show that R1 = {(a, b) / a in A, b in B, a - b is an even number } is a null relation. R2 = { (a, b) / a in A, b in B, a - b is odd number } is an universal relation

Identify which of the following relative are equivalence R = {(a, b)/ line a is parallel to line b}

The value of (z+3)( bar z +3) is equivalent to

Let r be relation from R (set of real numbers) to R defined by r={(a,b)|a, b in R and a-b+sqrt3 isan irrational number}. The relation r is