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For any two sets A and B, Ann(AuuB ') is...

For any two sets A and B, `Ann(AuuB ')` is equal to `A` b. `B` c. `phi` d. `AnnB`

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Let `A={a,b, c}`
`B={a,b,c,1,2,3,p,q,r}`
Here,`A sub B`
Now,`A-b=phi` as there are no such elements in `A` that are not present in `B`.
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RD SHARMA-SETS-Solved Examples And Exercises
  1. A class has 175 students. The following data shows the number of stude...

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  2. Two finite sets A and 8 have m and n element respectively. If the tota...

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  3. For any two sets A and B, Ann(AuuB ') is equal to A b. B c. phi d. Ann...

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  4. The set (A uu B')uu(B nn C) is equal to

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  5. If a in N such that a N={a x : x in N} . Describe the set 3Nnn7Ndot

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  6. Find the smallest set A such that Auu{1,2}={1,2,3,5,9}dot

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  7. Let A={1,2,4,5}\ B={2,3,5,6}C={4,5,6,7} . Verify the following identit...

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  8. Let A={1,2,4,5}\ B={2,3,5,6}C={4,5,6,7} . Verify the following identit...

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  9. Let A={1,2,4,5}\ B={2,3,5,6}C={4,5,6,7} . Verify the following identit...

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  10. Let A={1,2,4,5}\ B={2,3,5,6}C={4,5,6,7} . Verify the following identit...

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  11. Let A={1,2,4,5}\ B={2,3,5,6}C={4,5,6,7} . Verify the following identit...

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  12. For any two sets A\ a n d\ B ,\ prove that BsubAuuB

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  13. For any two sets A\ a n d\ B ,\ prove that AnnBsubA

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  14. For any two sets A\ a n d\ B ,\ prove that AsubB=>AnnB=A

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  15. Show that A nn B=A nn C need not imply B!=C

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  16. Show that if A subB , then C" "-" "BsubC" "-" "A .

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  17. Prove that Auu (Ann B)= A

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  18. For any two sets, prove that:\ Ann(AuuB)=A

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  19. Find sets A, B and C such that A nnB , B nnC and A nnC are nonempty ...

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  20. For any two sets A\ a n d\ B , prove that AnnB=phi=>AsubeB^(prime)dot

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