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If z=omega,omega^2 where omega is a non-...

If `z=omega,omega^2` where `omega` is a non-real complex cube root of unity, are two vertices of an equilateral triangle in the Argand plane, then the third vertex may be represented by a,`z=1` b. `z=0` c. `z=-2` d. `z=-1`

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CENGAGE PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
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