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Last updated at Aug. 27, 2021 by Teachoo

Transcript

Ex 1.5, 3 Taking the set of natural numbers as the universal set, write down the complements of the following sets: (xi) {x: x ∈ N and 2x + 1 > 10} U = {1, 2, 3, 4, 5…..} 2x + 1 > 10 2x > 10 – 1 2x > 9 x > 9/2 x > 4.5 {x: x ∈ N and 2x + 1 > 10} = {x: x ∈ N and x > 4.5} {x: x ∈ N and 2x + 1 > 10}’ = {x: x ∈ N and x > 4.5}’ = {x: x ∈ N and x ≤ 4.5}

Ex 1.5

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

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

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

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 You are here

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.