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If A={1,2,4},B={2,4,5},C={2,5},t h e n(A...

If `A={1,2,4},B={2,4,5},C={2,5},t h e n(A-B)xx(B-C)` is (a){(1, 2), (1, 5), (2, 5)} (b) {(1, 4)} (c) (1, 4) (d) none of these.

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A={1,2,4},B={2,4,5},C{2,5}
A-B={1}
B-C={4}
(A-B*(B-C)={(1,4)}.
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RD SHARMA ENGLISH-RELATIONS-All Questions
  1. Let R be the relation on Z defined by R={(a , b): a , b belongs to Z ...

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  2. If A={1,2,4},B={2,4,5},C={2,5},t h e n(A-B)xx(B-C) is (a){(1, 2), (1...

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  3. If Aa n dB are two sets having 3 elements in common. If n(A)=5,n(B)=4,...

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  4. If A={1,3,5},B={x ,y} represent the following products: AxxB

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  5. If A={-1,2} , find AxxA

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  6. Let Aa n dB be two sets. Show that the sets AxxB a n dBxxA have an ele...

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  7. If A={1,5} , B={3} , find AxxB

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

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

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

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  11. If AsubeB , and CsubeD , prove that AxxCsubeBxxDdot

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

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

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

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

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

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

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

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