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The range of ( x^2 - 2x +9)/( x^2 ...

The range of ` ( x^2 - 2x +9)/( x^2 +2x + 9 )` is

A

`(-oo ,0] cup (1,oo)`

B

`[1//2,2]`

C

`(-oo ,-2//9 ] cup (1,oo)`

D

`(-oo ,-6) cup (-2,oo)`

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-QUADRATIC EXPRESSIONS-EXERCISE 1B (QUADRATIC EXPRESSIONS)
  1. the least value of cos ^2 x + sec ^2 x is

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  2. The range of (x^2 + 2x +1)/( x^2 +2x -1) is

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  3. The range of ( x^2 - 2x +9)/( x^2 +2x + 9 ) is

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  4. The range of (x^2-2x+3)/(x^(2)-2x-8) is

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  5. The range of (x^2-2x+3)/(x^(2)-2x-8) is

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  6. IF x is real then the value of ( x ^2 - 3x +4)/( x^2 +3x +4) ...

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  7. Show that none of the values of the function (x^(2)+34x-71)/(x^(2)+2x-...

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  8. IF x is real , then ( x^2 - bc ) /( 2x -b-c) has values betw...

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  9. If x is real then y= (2x^2+6x +5)/( x^2 +3x +2) between -2 an...

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  10. If x is real, then the minimum value of y=(x^(2)-x+1)/(x^(2)+x+1) is

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  11. the ( relative ) minimum value of ( x^2 - 3x +2) /( x^2 + 3x +2...

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  12. For x in R, the least value of (x^(2)-6x+5)/(x^(2)+2x+1) is

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  13. If x in R, then the range of (x)/(x^(2)-5x + 9) is

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  14. If x is real , then the maximum value of (x^(2)+14x+9)/(x^(2)+2x+3) is

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  15. the limits of ( 6x ^2 - 18 x + 21 ) /( 6x^2 - 18 x + 17 ) ar...

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  16. If x is real, then the range of (x^(2)+2x+1)/(x^(2)+2x+7) is

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  17. IF (x-a) /( x^2- 3x +2) takens all real values for x in R , ...

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  18. IF x in R then ( x^2 + 2x + a) /( x^2 + 4x + 3a ) can take ...

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  19. If Y = tan x cot 3x ,x in R , then

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  20. IF x in R then (2a (x-1) sin ^2 alpha ) /( x^2 - sin alpha ) ...

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