Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
37.7k views
in Sets, relations and functions by (53.5k points)

The relation R is defined on the set of natural numbers as {(a, b) : a = 2b}. Then R−1 is given by

(A)  {(2, 1), (4, 2), (6, 3), ...}

(B)  {(1, 2), (2, 4), (3, 6), ...}

(C)  R−1 is not defined

(D)  None of these

1 Answer

+1 vote
by (53.3k points)
selected by
 
Best answer

Correct option (C) R−1 is not defined

Explanation :

R = {(2, 1), (4, 2), (6, 3), ...}.

So, R−1= {(1, 2), (2, 4), (3, 6), ...}

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

...