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If a, b are the roots of x^(2) +x+1...

If a, b are the roots of ` x^(2) +x+1=0` then ` a^2 +b^2=`

A

1

B

2

C

`-1`

D

`4`

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The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-QUADRATIC EXPRESSIONS-EXERCISE 1A (QUADRATIC EQUATIONS)
  1. If a, b are the roots of x^(2) +x+1=0 then a^2 +b^2=

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  4. IF alpha , beta are the roots of ax ^(2) +bx + c =0 then alpha...

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  5. If alpha , beta are the roots of ax^2 + bx + c=0 then alpha be...

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  6. If alpha , beta are the roots of x^2 +x+1=0 then alpha // beta...

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  7. IF alpha , beta are the roots of ax ^2 +bx +c=0 then (1)/(alp...

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  8. IF alpha , beta are the roots of ax ^2 +bx +c=0 then (1)/(alp...

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  9. IF alpha , beta are the roots of ax ^(2)+bx +c=0 then alpha ^3 +...

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  10. IF alpha , beta are the roots of ax ^2 + bx +c=0 then (alpha ^2...

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  11. IF alpha , beta are the roots of ax^2+ bx + c=0 then (1)/(alpha...

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  12. If alpha , beta are the roots of ax ^2 + bx +c=0 then alpha ...

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  13. IF alpha , beta are the roots of ax ^2 + bx + c=0 then (alpha...

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  14. IF alpha , beta are the roots of ax ^2 + bx +c=0 then (alpha ^3...

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  15. IF alpha , beta are the roots of ax^2+bx +c=0 then ((alpha )/(be...

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  16. IF alpha , beta are the roots of ax^2+bx +c=0 then ((1)/(alpha ^2...

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  17. IF alpha , beta are the roots of ax^2+bx +c=0 then (a alpha + b...

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  18. IF alpha , beta are the roots of ax ^2 + bx + c=0 then ( a al...

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  20. IF alpha ,, beta are the roots of the equation 8x^2-3x+27=0 then...

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