Aspire Faculty ID #16547 · Topic: NIMCET 2008 · Just now
NIMCET 2008

Let $\alpha$ and $\beta$ be the roots of $x^2+x+1=0$. The equation whose roots are $\alpha^{19}$ and $\beta^{19}$ is

Solution

$\alpha,\beta$ are complex cube roots of unity. $\alpha^{19}=\alpha,\ \beta^{19}=\beta$ Same equation remains. Answer: $\boxed{x^2+x+1=0}$

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