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Question Number 144084 by Rankut last updated on 21/Jun/21

$$ifa+\frac{1}{a}=-1$$$$a^{1234567891011}+\frac{1}{a^{1110987654321}}=??$$$$$$

Answered by MJS_new last updated on 21/Jun/21

$$a=\omega \vee a={\omega }^2$$$${\omega }^{3n}=1\wedge {\left(w^2\right)}^{3n}=1\Rightarrow \mathrm{answer}\mathrm{is}2$$

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