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Form the quadratic equation from the roo...

Form the quadratic equation from the roots given below.
`2-sqrt(5)` and `2+sqrt(5)`

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The correct Answer is:
(iv) `x^2-4x-1=0`
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TARGET PUBLICATION-QUADRATIC EQUATIONS-Practice set 2.5
  1. Form the quadratic equation from the roots given below. 3 and -10

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  2. Form the quadratic equation from the roots given below. 1/2 and (-1)...

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  3. Form the quadratic equation from the roots given below. 2-sqrt(5) an...

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  4. Sum of the roots of a quadratic equation is double their product. Fi...

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  5. alpha, beta are roots of y^(2)-2y-7=0 find, (i) alpha^(2)+beta^(2) "...

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  6. alpha, beta are roots of y^(2)-2y-7=0 find, (i) alpha^(2)+beta^(2) "...

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  7. The roots of the each of the following quadratic equations are real ...

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  8. For what value of k, are the roots of the quadratic equation kx (x-...

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  9. Fill in the gaps and complete. (i)

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  10. Fill in the gaps and complete. (ii)

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  11. Fill in the gaps and complete. (iii)

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  12. Find the value of discriminant. (i) x^2+7x-1=0

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  13. Find the value of discriminant. (ii) 2y^2-5y+10=0

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  14. Find the value of discriminant. (iii) sqrt(2)x^2+4x+2sqrt(2)=0

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  15. Determine the nature of roots of the following quadratic equations. ...

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  16. Determine the nature of roots of the following quadratic equations. ...

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  17. Determine the nature of roots of the following quadratic equations. ...

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  18. Form the quadratic equation from the roots given below. (i) 0 and 4

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  19. Form the quadratic equation from the roots given below. (ii)3 and -1...

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  20. Form the quadratic equation from the roots given below. (iii) 1/2,1/...

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