1. Choice (b) is correct. The set of all subsets of a set A is called power set of A and is denoted by P(A). If a set A has 3 elements, then number of its subsets is 2³. Hence, the power set of the set A has 8 elements.  This question related to Chapter 1 maths Class 11th NCERT. From the Chapter 1. SetRead more

    Choice (b) is correct. The set of all subsets of a set A is called power set of A and is denoted by P(A). If a set A has 3 elements, then number of its subsets is 2³. Hence, the power set of the set A has 8 elements. 
    This question related to Chapter 1 maths Class 11th NCERT. From the Chapter 1. Sets. Give answer according to your understanding.

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  2. Choice (c) is correct. As A and B are disjoints sets. n(A ∪ B) = n (A) +n (B) = 17 + 8 = 25 This question related to Chapter 1 maths Class 11th NCERT. From the Chapter 1. Sets. Give answer according to your understanding. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/clasRead more

    Choice (c) is correct. As A and B are disjoints sets. n(A ∪ B) = n (A) +n (B) = 17 + 8 = 25
    This question related to Chapter 1 maths Class 11th NCERT. From the Chapter 1. Sets. Give answer according to your understanding.

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  3. Choice (b) is correct. (A ∩ B') ∪ (B ∩ C) = (A' ∪ (B')' ∪ (B ∩ C) = (A' ∪ B) ∪ (B ∩ C) = A' ∪ B This question related to Chapter 1 maths Class 11th NCERT. From the Chapter 1. Sets. Give answer according to your understanding. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/Read more

    Choice (b) is correct. (A ∩ B’) ∪ (B ∩ C) = (A’ ∪ (B’)’ ∪ (B ∩ C) = (A’ ∪ B) ∪ (B ∩ C) = A’ ∪ B
    This question related to Chapter 1 maths Class 11th NCERT. From the Chapter 1. Sets. Give answer according to your understanding.

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    https://www.tiwariacademy.com/ncert-solutions/class-11/maths/#chapter-1

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  4. Choice (d). is correct. A ∩ (A ∩ B)ᶜ = A ∩ (Aᶜ ∪ Bᶜ) = (A ∩ Aᶜ) U (A ∩ Bᶜ) = ∅ U (A ∩ Bᶜ) = A ∩ Bᶜ This question related to Chapter 1 maths Class 11th NCERT. From the Chapter 1. Sets. Give answer according to your understanding. For more please visit here: https://www.tiwariacademy.com/ncert-solutioRead more

    Choice (d). is correct. A ∩ (A ∩ B)ᶜ = A ∩ (Aᶜ ∪ Bᶜ) = (A ∩ Aᶜ) U (A ∩ Bᶜ) = ∅ U (A ∩ Bᶜ) = A ∩ Bᶜ
    This question related to Chapter 1 maths Class 11th NCERT. From the Chapter 1. Sets. Give answer according to your understanding.

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    https://www.tiwariacademy.com/ncert-solutions/class-11/maths/#chapter-1

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    • 15
  5. Choice (a) is correct.  A = {(5,1), (5, -1), (-5, 1), (-5, -1), (4, 2), (-4, 2),  (4, -2), (-4, -2), (1, 3), (1, -3), (-1, 3), (-1, -3)} B = {(5, 1), (5, -1), (4, 2), (4, -2), (1, -3), (-1, -3)} A ∩ B = {(5, 1), (5, -1), (4, 2), (4, -2), (1, -3), (-1, -3)} This question related to Chapter 1 maths ClRead more

    Choice (a) is correct. 
    A = {(5,1), (5, -1), (-5, 1), (-5, -1), (4, 2), (-4, 2),  (4, -2), (-4, -2), (1, 3), (1, -3), (-1, 3), (-1, -3)}
    B = {(5, 1), (5, -1), (4, 2), (4, -2), (1, -3), (-1, -3)}
    A ∩ B = {(5, 1), (5, -1), (4, 2), (4, -2), (1, -3), (-1, -3)}
    This question related to Chapter 1 maths Class 11th NCERT. From the Chapter 1. Sets. Give answer according to your understanding.

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    https://www.tiwariacademy.com/ncert-solutions/class-11/maths/#chapter-1

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