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If \omega \ne 1 is a cube root of unity and i = √-1, the value of the determinant \left|\beginmatrix 1 & 1+i+\omega^2 & \omega \\ 1-i & -1 & \omega^2 - 1 \\ -i & -i+\omega-1 & -\omega^3 \endmatrix\right| is | Watch the step-by-step video solution for this NIMCET PYQ.