[" If "R" be a relation "<" form "A={1,2,3,4}" to "],[B=(1,3,5}," i.e."(a,b)in R" iff "a

Let R={(x,y):x^(2)+y^(2)=1,x,y in R} be a relation in R. Then the relation R is

Let A={1,2,3} and R be a relation defined on A, such that, R{(1,2),(2,1)}, then the relation R will be

Let A = {ONGC, BHEL, SAIL, GAIL, IOCL} and R be a relation defined as ''two elements of A are related if they share exactly one letter''. The relation R, is

Let A be the set of all students of class XII in a school and R be the relation, having the same sex on A, and then prove that R is an equivalence relation.

If R is a relation on a set A, prove that R is symmetric iff R^-1 = R.

Let R be a relation on a set A such that R= R^(-1) . Then R is :

Let R be a relation from a set A to a set B, then