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

If `alpha` and `beta` are the roots of the quadratic equation
`y^2-2y-7=0,` find the values of
`alpha^2+ beta^2`

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NAVNEET PUBLICATION-QUADRATIC EQUATION-EXERCISE
  1. If alpha and beta are the roots of the quadratic equation y^2-2y-7=0...

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  2. Six years before, the age of mother was numerically equal to the squar...

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  3. Six years before, the age of mother was numerically equal to the squar...

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  4. Six years before, the age of mother was numerically equal to the squar...

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  5. Solve: (x^2002+10x^2001)/(10x^2000)=957.9

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  6. Choose the correct alternative from those given below each question: ...

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  7. What is the solution of the quadratic equation 2x^2-7x+6=0?

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  8. Choose the correct alternative from those given below each question: ...

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  9. Choose the correct alternative from those given below each question: ...

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  10. Choose the correct alternative from those given below each question: ...

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  11. Choose the correct alternative from those given below each question: ...

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  12. Choose the correct alternative from those given below each question: ...

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  13. Choose the correct alternative from those given below each question: ...

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  14. Choose the correct alternative from those given below each question: ...

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  15. If alpha, beta are roots of qadratics equation then for which of the f...

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  16. Choose the correct alternative from those given below each question: ...

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  17. Choose the correct alternative from those given below each question: ...

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  18. Choose the correct alternative from those given below each question: ...

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  19. Determine whether the value given against each of the qaudratic equati...

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  20. Choose the correct alternative from those given below each question: ...

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  21. Write the following quadratic equations in the standard form: 3y^2=8y...

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