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

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

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TARGET PUBLICATION-QUADRATIC EQUATIONS-Additional problems for Practice : Based on Practice set 2.5
  1. Find the value (s) of k for which the given quadratic equations has ...

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  2. Find m, if the quadratic equation (m-1)x^2-2(m-1)x+1=0 has real and ...

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

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

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

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

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

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

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

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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 discriminant of the following quadratic equations. ...

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

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

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

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

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

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