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Which of the following sets are empty se...

Which of the following sets are empty sets ?
`{x : x in R, x^(2)+2=0}`

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The correct Answer is:
it is an emply set
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KUMAR PRAKASHAN-SETS-PRACTICE WORK
  1. List all the elements of the following sets : E= {x : x =(1)/(2n-1)n...

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  2. Match each of the set on the left in the roster form with the same set...

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  3. Which of the following sets are empty sets ? {x : x in R, x^(2)+2=0}

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  4. Which of the following sets are empty sets ? {x : x in N, 5 lt x lt ...

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  5. Which of the following sets are empty sets ? {x : x in N, x^(2)= 9}

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  6. Which of the following sets are empty sets ? {x : x^(2) -2=0, x " is...

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  7. Which of the following sets are empty sets ? {x : x is neither prime...

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  8. Which of the following sets are finite or infinite : Set of concentr...

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  9. Which of the following sets are finite or infinite : {x : x in R, 0 ...

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  10. Which of the following sets are finite or infinite : The set of odd ...

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  11. Which of the following sets are finite or infinite : {x : x in N, x ...

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  12. Which of the following sets are finite or infinite : {x : x in Z, x ...

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  13. Are the following pari of sets equal? Give reasons A= {x : x is a le...

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  14. Are the following pari of sets equal? Give reasons A= {x : x in Z, x...

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  15. Are the following pari of sets equal? Give reasons A= {x : x is a po...

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  16. Are the following pair of sets equal? Give reasons A= {p, q, r, s} ...

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  17. Are the following pair of sets equal? Give reasons A= {x : x is a le...

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  18. From the sets given below, select equal sets. A= {x : x in N, x lt 3...

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  19. Using symbols sub" and " cancelsub fill in the following blanks : {"...

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  20. Using sybols sub" and " cancelsub fill in the following blanks : a……...

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