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The roots of the quadratic equation (x^(...

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

A

`pm 2`

B

`pm 6`

C

`pm 13`

D

`pm 7`

Text Solution

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The correct Answer is:
B
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VGS PUBLICATION-BRILLIANT-QUADRATIC EQUATIONS-CREATIVE BITS FOR CCE MODEL EXAMINATION
  1. The nature of the roots of a quadratic equation 4x^(2) - 12x + 9 = 0 i...

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

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

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

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

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

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

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

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  9. Find the nature of the roots of 4x^(2)-20x+25=0

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

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

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

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

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  14. 3x^(2) + (-kx) + 8 = 0 has real roots if …

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  15. 4x^(2) + kx - 2 = 0 has no real roots if…..

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  16. The quadratic equation whose roots are 2,3 is…

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

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  18. If x^(2) - 8kx + 16 = 0 has equal roots then ….

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  19. x/(x - y) - y/(x + y)=..

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  20. (2a^(2) + a - 1)/(a + 1) + (3a^(2) + 5a + 2)/(3a + 2) + (4 - a^(2))/(a...

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