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Let A={(x,y):y=e^(x) , x in R } B={(x,y...

Let `A={(x,y):y=e^(x) , x in R } B={(x,y),Y=e^(-x) ,x in R}`then

A

`AnnB=phi`

B

`AnnBnephi`

C

`AuuB=R^(2)`

D

none of these

Text Solution

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The correct Answer is:
B
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ML KHANNA-CONCEPTS OF SET THEORY -Problem Set (1)
  1. If X and Y are two sets, then Xnn(YuuX)' equals

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  2. if set A and B are defined as A={(x,y):y=e^(x),x in R} B={(x,y):y=...

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  3. Let A={(x,y):y=e^(x) , x in R } B={(x,y),Y=e^(-x) ,x in R}then

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  4. Given A={1,2,3},B={3,4},C={4,5,6}, the AU (B U C)=

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  5. If A={2,3},\ B={4,5},\ C={5,6},\ \ fin d\ Axx(BuuC),\ Axx(BnnC),\ (Axx...

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  6. If A={2,3},\ B={4,5},\ C={5,6},\ \ fin d\ Axx(BuuC),\ Axx(BnnC),\ (Axx...

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  7. If A={2,3,5},B={2,5,6}, then (A-B)times(A nn B) is

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  8. If A {1,2}, B = {1,3}, " then " (A xx B)cup (B xx A) is equal to

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  9. If A={2,4}andB={3,4,5}, then (AnnB)xx(AuuB) is

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  10. If A={1,2,3}andB={3,8}, then (AuuB)xx(AnnB) is

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  11. If A={1,2,3,4,5} andB={2,3,6,7}, then the number of elements in the se...

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  12. If A={a,b,c},B={c,d,e},C={a,d,f}, then Axx(BuuC) is

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  13. A and B are teo sets having 3 and 5 elements respectively and having 2...

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  14. Sets A and B have 3 and 6 elaments respectively. What can be theminimu...

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  15. Suppose A1,A2….. A(30) are thirty sets each having 5 elements and B1B2...

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  16. Consider the set A of all determinants of order 3 with entries 0 or 1 ...

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  17. Two finite sets have m and n elements. The total number of subsets of ...

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  18. Let A={theta:2"cos"^(2)theta+"sin"thetale2}and B={theta:pi//2letheta...

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  19. If X={4^(n)-3n-1n in N} and Y={9(n-1):n in N} , then X uu Y is equal t...

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  20. The sets S and E are defined as given below: S={(x,y): |x-3|lt1and|y...

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