NCERT Class XI Mathematics - Sets - Solutions
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Question : 2
Total: 73
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
(i) 5 ... A
(ii) 8 ... A
(iii) 0 ... A
(iv) 4 ... A
(v) 2 ... A
(vi) 10 ... A
Solution:
(i) Since 5 is the element of A.
∴ 5 ∈ A.
(ii) As 8 is not the element of A. ∴ 8 ∉ A
(iii) As 0 is not the element of A ∴ 0 ∉A.
(iv) 4 is the element of A ∴ 4 ∈ A
(v) 2 is the element of A ∴ 2 ∈ A.
(vi) 10 is not the element of A ∴ 10 ∉ A.
∴ 5 ∈ A.
(ii) As 8 is not the element of A. ∴ 8 ∉ A
(iii) As 0 is not the element of A ∴ 0 ∉A.
(iv) 4 is the element of A ∴ 4 ∈ A
(v) 2 is the element of A ∴ 2 ∈ A.
(vi) 10 is not the element of A ∴ 10 ∉ A.
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