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ISI2018-MMA-22

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akash.dinkar12 asked May 11, 2019
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ISI2018-MMA-27
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akash.dinkar12 asked May 11, 2019
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akash.dinkar12 asked May 11, 2019
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ISI2018-MMA-9
If $\alpha$ is a root of $x^2-x+1$, then $\alpha^{2018} + \alpha^{-2018}$ is $-1$ $0$ $1$ $2$
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