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If AsubeB , show that AxxAsube(AxxB)nn(B...

If `AsubeB ,` show that `AxxAsube(AxxB)nn(BxxA)dot`

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If Aa n dB are two sets having 3 elements in common. If n(A)=5,n(B)=4, find n(AxxB)a n dn[(AxxB)nn(BxxA)]dot

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RD SHARMA ENGLISH-RELATIONS-All Questions
  1. If A={1,5} , B={3} , find AxxB

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  2. For any three sets A ,B ,C prove that: Axx(B^(prime)uuC^(prime))^'=...

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  3. If AsubeB , show that AxxAsube(AxxB)nn(BxxA)dot

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  4. If A and B are any two non-empty sets, then prove that: AxxB=BxxA ' im...

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  5. If AsubeB , and CsubeD , prove that AxxCsubeBxxDdot

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  6. If AsubeB , prove that AxxCsubeBxxC for any set C.

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  7. If R is a relation on the set A={1,2,3,4,5,6,7,8,9} given by x R y⇔y =...

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  8. If A={1,2,3},B={4,5,6}, which of the following are relations from AtoB...

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  9. A" "=" "{1," "2," "3." "5}" "a n d" "B" "=" "{4," "6," "9} . Define a ...

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  10. Let R be the relation on the Z of all integers defined by (x ,y) in R...

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  11. A relation R is defined from {2,3,4,5} to{3, 6, 7, 10}by : x R y :x i...

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  12. Let R be a relation in N defined by (x ,y) in R x+2y=8 . Express R a...

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  13. The Cartesian product A xxA has 9 elements among which are found (...

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  14. Let A={-1,3,5} and B={2,3} find AxxB

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  15. Express A={(a ,b):2a+b=5,a ,b in W} as the set ordered pairs.

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  16. If AxxB={(a ,1)(b ,3),(a ,3),(b ,1),(a ,2),(b ,2)}, find Aa n dBdot

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  17. Let A={1,2,3}and B={x : x in N ,x is prime less than 5}. Find AxxB

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  18. If AxxB={(a ,1)(a ,5),(a ,2),(b ,2),(b ,5),(b ,1)}, find BxxAdot

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  19. If A={1,2},B={3,4} find AxxB

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  20. Findx and y , if (x+3,5)=(6,2x+y)dot

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