Let A be the set of all children in the worid andR be a relation in A defined by x R y if x andyhave same sex. Then R is

Let Q be the set of rational numbers and R be a relation on Q defined by R {":"x,y inQ,x^2+y^2=5} is

Let R be a relation in N defined by R={(x, y):2x+y=8} , then range of R is

Let L denote the set of all straight lines in a plane. Let a Relation R be defined on L by xRy iff x||y , for x,y in L then R is

Let A be the set of all student in a school. A relation R is defined on A as follows: ''aRb iff a and b have the same teacher'' The relation R, is

Let A be the set of all student in a school. A relation R is defined on A as follows: ''aRb iff a and b have the same teacher'' The relation R, is

Let Q be the set of all rational numbers and R be the relation defined as: R={(x,y) : 1+xy gt 0, x,y in Q} Then relation R is

Let L be the set of all lines in a plane and let R be a relation defined on L by the rule (x,y)epsilonRtox is perpendicular to y . Then prove that R is a symmetric relation on L .

Let L be the set of all lines in a plane and let R be a relation defined on L by the rule (x,y)epsilonRtox is perpendicular to y . Then prove that R is a symmetric relation on L .

Let S = Set of all children. Define R on S as follows: a, b in S, aRb if a and b have the same mother. Then