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The integer k for which the inequalit...

The integer k for which the inequality ` x^2 - 2 (4k -1) x+ 15 k^2 -2k -7 gt 0` is valid for any x, is

A

2

B

3

C

4

D

5

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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 greatest positive integral value of x for which 200-x ( ...

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  2. The least integral value of x for which 33-x (2+3x )gt 0 i...

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  3. The integer k for which the inequality x^2 - 2 (4k -1) x+ 15 k^...

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  4. IF the difference between the roots the roots of the equation ...

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  5. IF x^2 +6x - 27 gt 0 -x^2 +3x +4>0 then x lies in the interv...

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  6. The set of values of x for which the inequalities x^2 -3x-10 l...

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  7. The set of values of x for which the inequalities x^2 -2x+3 gt ...

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  8. IF x^2 - 2x +3 gt 0 , 2x^2 + 4 x + 3 gt 0 then x lies in the...

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  9. the greatest negative integer satifying x^2 - 4x - 77 lt 0 a...

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  10. If x gt 0 then the least value of x +1/x is

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  11. the least value of cos ^2 x + sec ^2 x is

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

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

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

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

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

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

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

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

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

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