NCERT Class XI Mathematics - Sets - Solutions
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Question : 49
Total: 73
Fill in the blanks to make each of the following a true statement:
(i) A ∪ A′ = . . . (ii) f′ ∩ A = . . . (iii) A ∩ A′ = . . . (iv) U′ ∩ A = . . .
(i) A ∪ A′ = . . . (ii) f′ ∩ A = . . . (iii) A ∩ A′ = . . . (iv) U′ ∩ A = . . .
Solution:
(i) A ∪ A′ = U
(ii) ϕ′ ∩ A = U ∩ A = A
(iii) A ∩ A′ = ϕ
(iv) U′ ∩ A = ϕ ∩ A = ϕ
(ii) ϕ′ ∩ A = U ∩ A = A
(iii) A ∩ A′ = ϕ
(iv) U′ ∩ A = ϕ ∩ A = ϕ
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