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

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

A

{5}

B

{-5}

C

{-5,5}

D

`phi`.

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MODERN PUBLICATION-RELATIONS AND FUNCTIONS -EXERCISE
  1. Let f= {(1, 5), (2, 6), (3, 4)} g = {(4, 7), (5,8), (6,9)}. Then gof i...

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

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

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  4. The set of principals in a school is :

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  5. The set of Girls in a Boys school is

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

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  7. (A uu B)^(c) is equal to :

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  8. If f(x) = 2x - 5, then f (0) is :

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  9. The range of f (x) = ( 1 + x^(2))/( x^(2))

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  10. If f(x)=2x-5, then f(1) is

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  11. Suppose A(1), A(2),….,A(30) are thirty sets each with five elements an...

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  12. For any two sets A and B, A - (A - B) equals :

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  13. The domain of definition of the function : f(x)= sqrt(1+ loge (1-x)) i...

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  14. Two finite sets A and B have m and n elements respectively. If the tot...

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  15. If f (x) satisfies the relation : 2 f(x) +f (1 -x) = x^2 for all real ...

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  16. f(x)= 1/([sqrt(|x|-x)]). Domain of the function is :

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  17. Let A and B be sets. If A nn X = B nn X =phi and A uu X = B uu X for s...

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  18. If S is a set with 10 elements and A={(x,y): x,y in S,x ne y}, then th...

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  19. If A and B are subsets of a set X, then what is : (A nn (X -B))uu B eq...

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  20. If V = {x: x+2=0} R= {x: x^2+2x =0} S= {x: x^2+x-2=0}. then for what ...

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