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Questions  >>  EAMCET  >>  Mathematics
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Q)

The inverse element of $\omega ^2$ in the multiplicative catine group $\{1, \omega,\omega ^2\}$ where $\omega$ is the cube roots of unity, is :

\[(a)\;1 \quad (b)\;\omega \quad (c)\;\omega^2 \quad (d)\;\omega^3\]

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