Write the relation R = {(x, x³) : x is a prime number less than 10} in roster form

Solution:

It is given that

R = {(x, x³) : x is a prime number less than 10}.

The prime numbers less than 10 are given by 

2, 3, 5, and 7.

In roster notation,

the elements of a set are represented in a row surrounded by curly brackets.

and if the set contains more than one element then every two elements are separated by commas.

Therefore,

R in roster form can be written as :

R = {(2, 8), (3, 27), (5, 125), (7, 343)}

NCERT Solutions Class 11 Maths Chapter 2 Exercise 2.2 Question 7

Write the relation R = {(x, x³) : x is a prime number less than 10} in roster form.

Summary:

The relation R = {(x, x³) : x is a prime number less than 10} is given. We have found that R = {(2, 8), (3, 27), (5, 125), (7, 343)}