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

If `alpha` and `beta` are the roots of the equation `x^2-x+1=0` , then `alpha^(2009)+beta^(2009)=` `-1` (b) 1 (c) 2 (d) `-2`

A

`-2`

B

`-1`

C

1

D

2

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The correct Answer is:

C

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