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IF ` alpha , beta ` are the roots of ` x^(2)-x+2=0` then ` alpha ^ 2 beta + alpha beta ^2` =

A

`5`

B

`3`

C

`-2`

D

`2`

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Verified by Experts

The correct Answer is:
D
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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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  2. IF alpha , beta are the roots of x^(2)-x+2=0 then alpha ^ 2 b...

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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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