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If $\omega$ is a complex non-real cube root of unity, then $\omega$ satisfies which one of the following equations?
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The correct answer is:
$x^{2}+x+1=0$
If $\omega$ is cube root of unity then $\omega^{2}+\omega+1=0$ So, \omega satisfies the equaion $x^{2}+x+1=0$
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