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If exactely two integers lie between the...

If exactely two integers lie between the roots of equatin `x ^(2) +ax-1=0.` Then integral value (s) of 'a' is/are :

A

`-1`

B

`-2`

C

1

D

2

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The correct Answer is:
A, C
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VK JAISWAL-QUADRATIC EQUATIONS -EXERCISE (ONE OR MORE THAN ONE ANSWER IS/ARE CORRECT)
  1. Let f (x) =ax ^(2) + bx+ c,a gt = and f (2-x) =f (2+x) AA x in R and f...

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  2. In the above problem, if roots of equation f (x)=0 are non-real comple...

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  3. If exactely two integers lie between the roots of equatin x ^(2) +ax-1...

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  4. If the minimum value of the quadratic expression y =ax ^(2)+bx +c is n...

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  5. The quadratic expression ax ^(2)+bx+c gt 0 AA x in R, then :

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  6. The possible positive integral value of 'k' for which 5x ^(2) -2k x +1...

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  7. The coefficient of x in the equation x^2+px+q=0 was wrongly written as...

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  8. If x is real and x^(2) - 3x + 2 gt 0, x^(2)- 3x - 4 le 0, then which o...

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  9. If 5 ^(x) + (2 sqrt3) ^(2x) -169 le 0 is true for x lying in the inter...

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  10. Let f (x) =x ^(2) + ax +b and g (x) =x ^(2) +cx+d be two quadratic po...

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  11. The expression (1)/(sqrt(x+2sqrt(x-1)))+(1)/(sqrt(x-2sqrt(x-1))) simp...

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  12. if allvalues of x which satisfies the inequality log ((1//3))(x ^(2) +...

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  13. Which of the following statement(s) is/are correct ?

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  14. If (a, 0) is a point on a diameter of the circle x^(2)+y6(2)=4, then t...

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  15. Let x^2-px+q=0, where p in R,q in R have the roots alpha,beta such tha...

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  16. If a,b,c are rational numbers (a gt b gt c gt 0) and quadratic equatio...

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  17. For the quadratic polynomial f (x) =4x ^(2)-8ax+a. the statements (s) ...

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  18. Given a,b, c are three distinct real numbers satisfying the inequality...

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  19. Let f (x) =x ^(2) -4x +c AA x in R, where c is a real constant, then w...

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  20. If 0 lt a lt b lt c and the roots alpha, beta of the equation ax ^(2)...

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