NCERT Exercise 2.2 Q5 - Relations and Functions

Question: Let A={1,2,3,4,6}. Define R on A by (a,b) in R when b is exactly divisible by a. Write R in roster form and find its domain and range.

Answer: R={(1,1),(1,2),(1,3),(1,4),(1,6),(2,2),(2,4),(2,6),(3,3),(3,6),(4,4),(6,6)}; domain=range=A.

Full step-by-step NCERT solution with diagrams on Something by Zero.

All Chapter 2 solutions