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Form a quadratic equation whose roots ar...

Form a quadratic equation whose roots are k and `1/k`

A

`x^2+(k+1/k)x+1=0`

B

`xk^2-kx +1 =0`

C

`x^2-(k + k)x + 1 =0`

D

`x^2 -(k+1/k) x + 1=0`

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VGS PUBLICATION-BRILLIANT-QUADRATIC EQUATIONS-EXERCISE
  1. If the sum of the roots of the Q.E. 3x^(2) + (2k + 1) x - (k + 5) = 0 ...

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  2. The Q.E. whose one root is 2 - sqrt 3 is

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  3. Form a quadratic equation whose roots are k and 1/k

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  4. The roots of a quadratic equation x/p = p/x are

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  5. The roots of a quadratic equation ax^(2) + bx + c = 0 "is"

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  6. The product of the roots of the quadratic equationsqrt 2 x^(2) - 3x + ...

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  7. In the above problem a5=…

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  8. The sum of the roots of the quadratic equation 5x^(2) + 4 sqrt 3 x - 1...

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  9. Find the zeroes of the quadratic polynomials given below. Find the sum...

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  10. The quadratic equation whose roots are -3 and -4 is …

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  11. If one root of a quadratic equation is 7 - sqrt 3 then the quadratic e...

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  12. The nature of the roots of a quadratic equation 4x^(2) + 5x + 1 = 0 is...

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  13. The nature of the roots of quadratic equation 3x^(2) + x + 8 = 0 is…

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  14. The nature of the roots of a quadratic equation 4x^(2) - 12x + 9 = 0 i...

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  15. The roots of a quadratic equation (sqrt 2 x + 3) (5x - sqrt 3) = 0are…...

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  16. The roots of the quadratic equation (x^(2) - 8)/(x^(2) + 20) = 1/2 are...

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  17. The discriminant of 5x^(2) - 3x - 2 = 0 is…

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  18. If b^(2) -4ac lt 0 then the roots of the quadratic equation are…

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  19. "If" b^(2) -4ac = 0 then the roots of the quadratic equation are…

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  20. For what positive value of x the quadratic equation 4x^(2) - 9 = 0

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