Let A = {1, 2, 3, 4, 5, 6}. Insert the appropriate symbol ∈ or ∉ in the blank spaces:
(i) 5. . .A (ii) 8 . . . A (iii) 0. . .A
(iv) 4. . . A (v) 2. . .A (vi) 10. . .A

Solution:

Let us understand the meanings of ∈ and ∉.

'∈' is read as "belongs to". If an element 'a' is present in a set 'A', then we say that a ∈ A.

'∉ is read as "does not belong to". If an element 'a' is NOT present in a set 'A', then we say that a ∉ A.

Accordingly,

(i) 5 ∈ A as 5 is present in set A.

(ii) 8 ∉ A as 8 is NOT present in set A.

(iii) 0 ∉ A as 0 is NOT present in set A.

(iv) 4 ∈ A as 4 is present in set A.

(v) 2 ∈ A as 2 is present in set A.

(vi) 10 ∉ A as 10 is NOT present in set A.

NCERT Solutions Class 11 Maths Chapter 1 Exercise 1.1 Question 2

Let A = {1, 2, 3, 4, 5, 6}. Insert the appropriate symbol ∈ or ∉ in the blank spaces: (i) 5. . .A (ii) 8 . . . A (iii) 0. . .A (iv) 4. . . A (v) 2. . .A (vi) 10. . .A

Summary:

A = {1, 2, 3, 4, 5, 6} is given. We have inserted the appropriate symbol ∈ or ∉ in the blank spaces as follows:
(i) 5 ∈ A (ii) 8 ∉ A (iii) 0 ∉ A (iv) 4 ∈ A (v) 2 ∈ A (vi) 10 ∉ A.