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Last updated at Sept. 3, 2021 by Teachoo

Transcript

Ex 1.5, 1 (Method 1) Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 4}, B = {2, 4, 6, 8} and C = {3, 4, 5, 6}. Find (A ∪ C)’ A ∪ C = {1, 2, 3, 4} ∪ {3, 4, 5, 6} = {1, 2, 3, 4 ,5 ,6} (A ∪ C)’ = U – (A ∪ C) = {1, 2, 3, 4, 5, 6, 7, 8, 9} – {1, 2, 3, 4, 5, 6} = {7, 8, 9} ∪ Union - Combination of two sets Ex 1.5, 1 (Method 2) Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 4}, B = {2, 4, 6, 8} and C = {3, 4, 5, 6}. Find (A ∪ C)’ (A ∪ C)’ = A’ ∩ C’ A’ = U – A = {1, 2, 3, 4, 5, 6, 7, 8, 9} – {1, 2, 3, 4} = { 5, 6, 7, 8, 9} ∪ Union - Combination of two sets ∩ Intersection – Common of two sets C’ = U – C = {1, 2, 3, 4, 5, 6, 7, 8, 9} – {3, 4, 5, 6} = { 1, 2, 7, 8, 9} (A ∪ C)’ = A’ ∩ C’ = {5, 6, 7, 8, 9} ∩ {1, 2, 7, 8, 9} = {7, 8, 9}

Ex 1.5

Ex 1.5, 1 (i)
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Ex 1.5, 1 (ii) Deleted for CBSE Board 2022 Exams

Ex 1.5, 1 (iii) Important Deleted for CBSE Board 2022 Exams You are here

Ex 1.5, 1 (iv) Deleted for CBSE Board 2022 Exams

Ex 1.5, 1 (v) Deleted for CBSE Board 2022 Exams

Ex 1.5, 1 (vi) Important Deleted for CBSE Board 2022 Exams

Ex 1.5, 2 Deleted for CBSE Board 2022 Exams

Ex 1.5, 3 (i) Deleted for CBSE Board 2022 Exams

Ex 1.5, 3 (ii) Deleted for CBSE Board 2022 Exams

Ex 1.5, 3 (iii) Deleted for CBSE Board 2022 Exams

Ex 1.5, 3 (iv) Important Deleted for CBSE Board 2022 Exams

Ex 1.5, 3 (v) Deleted for CBSE Board 2022 Exams

Ex 1.5, 3 (vi) Deleted for CBSE Board 2022 Exams

Ex 1.5, 3 (vii) Deleted for CBSE Board 2022 Exams

Ex 1.5, 3 (viii) Deleted for CBSE Board 2022 Exams

Ex 1.5, 3 (ix) Important Deleted for CBSE Board 2022 Exams

Ex 1.5, 3 (x) Deleted for CBSE Board 2022 Exams

Ex 1.5, 3 (xi) Deleted for CBSE Board 2022 Exams

Ex 1.5, 4 Important Deleted for CBSE Board 2022 Exams

Ex 1.5, 5 Important Deleted for CBSE Board 2022 Exams

Ex 1.5, 6 Deleted for CBSE Board 2022 Exams

Ex 1.5, 7 Important Deleted for CBSE Board 2022 Exams

Chapter 1 Class 11 Sets (Term 1)

Serial order wise

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.