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State whether the following set is finit...

State whether the following set is finite or infinite : B= {x:x `in` N and `x^2=4`}.

A

infinite set

B

singleton set

C

`phi`

D

None of these.

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MODERN PUBLICATION-RELATIONS AND FUNCTIONS -EXERCISE
  1. The set of right-angled triangles in a plane is :

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  2. The set of poor students in the class is :

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  3. State whether the following set is finite or infinite : B= {x:x in N a...

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  4. Write the solution set of the equation : x^2+x-2=0 in Roster Form.

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  5. Solution set of equation x^2 + 5x + 6 = 0 in Roster form is :

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  6. Solution set of equation x^2 - 5x + 6 = 0 in Roster form is :

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  7. The set A= {x: x^2=4, x is odd} is :

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  8. Set of even prime number is a

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  9. Which of the following are examples of the null set :- Set of odd natu...

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  10. Find the range of the following function:- f(x) = x, x is a real numbe...

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  11. Find the range of the following function:- f(x) = 2 - 3x, x in R, x > ...

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  12. Find the range of the following function:- f(x) = x^2 + 2, x is a real...

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  13. The set of A= {x:x in R, x^2=16 and 2x=6} equals :

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  14. The set of intelligent students in a class is

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  15. Let f= {(1, 5), (2, 6), (3, 4)} g = {(4, 7), (5,8), (6,9)}. Then gof i...

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  16. The set of A= {u: u epsilon R, u^2 = 49, 2u= 14} is

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  17. The set of A = {x:x epsilon R, x^2 = 25) is

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  18. The set of principals in a school is :

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  19. The set of Girls in a Boys school is

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  20. The set of weak students in a class is :

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