If \( \alpha, \beta \) are the roots of \( x^{2}-2 x+4=0 \), then t...

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If \( \alpha, \beta \) are the roots of \( x^{2}-2 x+4=0 \), then the value of \( \left(\alpha^{6}+\beta^{6}\right) / 64 \) is
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