Let S be a set of all square matrices of order 2 . If a relation R defined on set S such that `ARB=>AB=BA`, then relation R is `(A,BepsilonS)`

Let S be a set of all square matrices of order 2. If a relation R defined on set S such AR BimpliesAB=O where O is zero square matrix of order 2, then relation R is (A,BepsilonS)

Let S be a set of all square matrices of order 2. If a relation R defined on set S such AR BimpliesAB=O where O is zero square matrix of order 2, then relation R is (A,BepsilonS)

If relation R defined on set A is an equivalence relation, then R is

Let S be the set of real numbers. For a, b in S , relation R is defined by aRb iff |a-b|lt 1 then R is

Let S be the set of all real numbers and Let R be a relations on s defined by A R B hArr |a|le b. then ,R is

Let S be the set of all real numbers and Let R be a relations on s defined by a R B hArr |a|le b. then ,R is

Let R be a relation defined as aRb if 1+ab>0 .Then the relation R is (a,b in R)

Let S be set of all numbers and let R be a relation on S defined by a R b hArr a^(2)+b^(2)=1 then, R is

Let S be set of all real numbers and let R be relation on S , defined by a R b hArr |a-b|le 1. then R is

Let S be the set of all real numbers. Then the relation R= {(a,b):1+abgt0} on S is