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
4.6k views
in Sets by (49.4k points)
closed by

Suppose U = {1, 3, 9, 11, 13, 18, 19}, and B = {3, 9, 11, 13}. Find (B’)’ and draw the inference.

1 Answer

+1 vote
by (48.7k points)
selected by
 
Best answer

U = {1, 3, 9, 11, 13, 18, 19}, 

B = {3, 9, 11, 13} ….(i) 

∴ B’ = {1, 18, 19} 

(B’)’ = {3, 9, 11, 13} ….(ii) 

∴ (B’)’ = B … [From (i) and (ii)] 

∴ Complement of a complement is the given set itself.

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.

...