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If alpha and beta are the roots of quadr...

If `alpha` and `beta` are the roots of quadratic equation `x^(2)+5x-1=0`
then, find (i) `alpha^(3)+beta^(3)` (ii) `alpha^(2)+beta^(2)`

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`-140`
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TARGET PUBLICATION-QUADRATIC EQUATIONS-Additional problems for Practice : Based on Practice set 2.5
  1. If alpha and beta are the roots of the equation x^2-9x+14=0, find (i...

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  2. If alpha and beta are the roots of the equation x^2-9x+14=0, find (i...

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  3. If alpha and beta are the roots of quadratic equation x^(2)+5x-1=0 t...

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  4. If alpha and beta are the roots of quadratic equation x^(2)+5x-1=0 t...

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  5. The difference between the roots of the equation x^2-13x+k=0 is 7, ...

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  6. Find k if the sum of the roots of the quadratic equation 4x^2 + 8kx + ...

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  7. If the sum of the roots of the quadratic equation is 3 and sum of th...

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  8. Find the value of discriminant of the following quadratic equations. ...

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  9. Find the value of discriminant of the following quadratic equations. ...

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  10. Find the value of discriminant of the following quadratic equations. ...

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  11. Find the value of discriminant of the following quadratic equations. ...

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  12. Find the value of the discriminant ( Delta ) for the quadratic equati...

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

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

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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. If alpha and beta are the roots of the quadratic equation 2x^2+6x-5=0...

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  19. Form the quadratic equation, if its roots are (i) 10 and 3

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  20. Form the quadratic equation, if its roots are (ii) 4 and 5

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