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If X={4^(n)-3n-1 : n in N} and Y={9(n-1...

If `X={4^(n)-3n-1 : n in N}` and `Y={9(n-1) : n in N}`, then

A

X

B

Y

C

N

D

None of these

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The correct Answer is:
B
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TARGET PUBLICATION-SETS, RELATIONS AND FUNCTIONS-COMPETITVE THINKING
  1. If A={x,y):x^(2)+y^(2)=25} and B={(x,y):x^(2)+9y^(2)=144}, then A ...

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  2. A set contains 2n+1 elements. The number of subsets of this set conta...

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

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  4. Let A= {a,b,c} and B={1,2,3,4}. Consider a relation R defined from set...

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  5. If A = {a,b,c} , B={b,c,d} and C = {a,d,c}, then (A-B)xx (B nnC)=

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  6. If P, Q and R are the subsets of a set A, then prove that Rxx(P^(c )uu...

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  7. If A is the set of even natural number less than 8 and B is the set of...

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  8. If two sets A and B are having 99 elements in common, the number of el...

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  9. Let A and B be two sets containing four and two elements respective...

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  10. Let A = {x,y,z} and B = {a,b,c,d} . Which one of the following is not ...

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  11. R sube A xx A (where A ne 0 ) is an equivalence relation if R is

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  12. In order that a relation R defined on a non-empty set A is an equivale...

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  13. The number of reflexive relations of a set with four elements is equal...

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  14. If a relation R on the set N of natural numbers is defined as (x,y)hAr...

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  15. let A = {2,4,6,8}. A relation R on A is defined by R= {(2,6),(6,2),(4,...

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  16. The relation R defined in N as aRbimpliesb is divisible by a is

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  17. Let R={(3,3),(6,6),(9,9),(12,12),(6,12),(3,9(,(3,12),(3,6)} be relatio...

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  18. The relation S = {(3,3),(4,4)} on the set A ={2,3,4} is "".

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  19. let S ={1,2,3,…,24}. Define a relation '~' on S as x ~y is the product...

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  20. Let R={ (1,3),(4,2),(2,4),(2,3),(3,1)} be a relation on the set A={1,2...

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