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Last updated at Sept. 3, 2021 by Teachoo

Transcript

Ex 1.2, 4 In the following, state whether A = B or not: (iv) A = {x: x is a multiple of 10}; B = {10, 15, 20, 25, 30 ...} B = {10, 15, 20, 25, 30 …} A = {x: x is a multiple of 10} Multiple of 10 are 10 x (1,2,3,4,…) = 10, 20, 30, 40, 50… A = {10, 20, 30, 40, 50,…} Element of Set A = 10, 20, 30, 40,… Element of Set B = 10, 15 , 20, 25, … Here, 15 is in set B but not in set A i.e. 15 ∈ B but 15 ∉ A. ∴ A ≠ B

Ex 1.2

Ex 1.2, 1 (i)
Important

Ex 1.2, 1 (ii)

Ex 1.2, 1 (iii)

Ex 1.2, 1 (iv)

Ex 1.2, 2 (i)

Ex 1.2, 2 (ii)

Ex 1.2, 2 (iii) Important

Ex 1.2, 2 (iv) Important

Ex 1.2, 2 (v)

Ex 1.2, 3 (i)

Ex 1.2, 3 (ii)

Ex 1.2, 3 (iii)

Ex 1.2, 3 (iv) Important

Ex 1.2, 3 (v) Important

Ex 1.2, 4 (i)

Ex 1.2, 4 (ii)

Ex 1.2, 4 (iii) Important

Ex 1.2, 4 (iv) Important You are here

Ex 1.2, 5 (i)

Ex 1.2, 5 (ii)

Ex 1.2, 6 Important

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.