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Prove that Auu (Ann B)= A...

Prove that `Auu (Ann B)= A`

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`A⋃(A⋂B)=A`

`A⋃(A⋂B)=A⋃A⋂A⋃B`

`=(A)⋂(A⋃B)`

`=A`Common in both`A` and `A⋃B`

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RD SHARMA-SETS-Solved Examples And Exercises
  1. Show that A nn B=A nn C need not imply B!=C

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

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  3. Prove that Auu (Ann B)= A

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

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

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

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  7. For any two sets of A and B, prove that: A^(prime)uuB=U=>AsubB

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  8. Is it true that for any sets A and B, P (A) uuP (B) =P(Auu B) ? Just...

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  9. If A and B are any two sets, then prove that (A nn B) uu (A-B)=A

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  10. Show that for any set A and B A = (AnnB)uu(A-B) and Auu(B-A) = (AuuB...

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  11. For any two sets A and B prove the following: Ann(A^(prime)uuB)=AnnB

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  12. For any two sets A and B prove the following: A-(A-B)=AnnB

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  13. For any two sets A and B prove the following: Ann(A^(\ )uuB)'=varphi

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  14. In a class of 35 students, 24 like to play cricket and 16 like to p...

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  15. In a group of 50 people, 35 speak Hindi, 25 speak both English and ...

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  16. Out of 500 car owners investigated, 400 owned car A and 200 owned c...

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  17. A market research group conducted a survey of 2000 consumers and re...

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  18. A survey shows that 63% of the Americans like cheese whereas 76% like ...

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  19. A college warded 38 medals in football, 15 in basketball and 20 in ...

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  20. If A and B are two sets such that n(AuuB)=50 ,\ n(A)=20\ a n d\ n(B)=3...

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