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If one root of a quadratic equation is 7...

If one root of a quadratic equation is `7 - sqrt 3` then the quadratic equation is ….

A

`x^2-7x + 3 = 0`

B

`x^2-4x + 6 = 0`

C

`x^2 - 7x + 1 = 0`

D

`x^2-14x + 46 = 0`

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VGS PUBLICATION-BRILLIANT-QUADRATIC EQUATIONS-EXERCISE
  1. Find the zeroes of the quadratic polynomials given below. Find the sum...

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

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

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

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

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

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

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

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

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

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

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

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  13. If the roots of a quadratic equation ax^(2) + bx + c = 0 are real and ...

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  14. The roots of 4x^2 - 20x + 25 = 0 are ...........

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  15. The nature of roots of 3x^(2) + 6x - 2 = 0"is" ....

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  16. The roots of 7x^(2) + 3x + 8 = 0 are…

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  17. Sum of the roots of ax^(2) + bx + c = 0 is..

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  18. Product of the roots of ax^(2) + bx + c = 0 is…

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  19. 3x^(2) + (-kx) + 8 = 0 has real roots if …

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  20. 4x^(2) + kx - 2 = 0 has no real roots if…..

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