Q3 of 109 Page 1

Write the identity relation of set A = {a, b, c}.

⇒ Identity relation of a set refers to the relation in which every element on the set is related to itself.


Thus the Identity relation of set A is as under:


⇒ R={(a,a),(b,b),(c,c)}


More from this chapter

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1

Write the domain of the relation R defined on the set Z of integers as follows:

(a, b) ϵR ⬄ a2 + b2 = 25


 2

If R = {(x,y): x2 + y2 ≤ 4; x,y ϵ Z} is a relation of Z, write the domain of R.

 4

Write the smallest reflexive relation of set A = {1, 2, 3, 4}.

 5

If R = {(x,y) : x + 2y = 8} is a relation on N, then write the range of R.