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If alpha and beta are the roots of x^(2)...

If `alpha` and `beta` are the roots of `x^(2)+x+1=0`, then `alpha^(16)+beta^(16)=`

A

`(-1-isqrt3)/2`

B

1

C

-1

D

`(-1+isqrt3)/2`

Text Solution

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The correct Answer is:
C
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