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How many elements has P(A), if A = φ?...

How many elements has P(A), if `A = φ`?

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NCERT BANGLISH-SETS-EXERCISE 1.3
  1. Let A = { 1, 2, { 3, 4 }, 5 }. Which of the following statements are ...

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  2. Write down all the subsets of the following sets {a}

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  3. Write down all the subsets of the following sets {a,b}

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  4. Write down all the subsets of the following sets {1,2,3}

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  5. Write down all the subsets of the following sets phi

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  6. How many elements has P(A), if A = φ?

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  7. Write the following as intervals : {x : x ∈ R, – 4 < x ≤ 6}

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  8. Write the following as intervals : {x : x ∈ R, – 12 < x < –10}

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  9. Write the following as intervals : {x : x ∈ R, 0 ≤ x < 7}

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  10. Write the following as intervals : {x : x ∈ R, 3 ≤ x ≤ 4}

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  11. Write the following intervals in set-builder form : (– 3, 0)

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  12. Write the following intervals in set-builder form : [6, 12]

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  13. Write the following intervals in set-builder form : (6, 12]

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  14. Write the following intervals in set-builder form : [–23, 5)

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  15. What universal set(s) would you propose for each of the following : ...

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  16. What universal set(s) would you propose for each of the following : ...

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  17. Given the sets A = {1, 3, 5}, B = {2, 4, 6} and C = {0, 2, 4, 6, 8}, w...

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  18. Given the sets A = {1, 3, 5}, B = {2, 4, 6} and C = {0, 2, 4, 6, 8}, w...

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  19. Given the sets A = {1, 3, 5}, B = {2, 4, 6} and C = {0, 2, 4, 6, 8}, w...

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  20. Given the sets A = {1, 3, 5}, B = {2, 4, 6} and C = {0, 2, 4, 6, 8}, w...

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