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1. |
If cube root of unity are 1, ω, ω2 then the roots of equation (x - 1)3 + 8 = 0 are |
A. | -1, -1 + 2ω, -1 - 2ω2 |
B. | -1, -1, -1 |
C. | -1, 1 - 2ω, 1 – 2ω2 |
D. | -1, -1 + 2ω, 1 + 2ω2 |
Answer» D. -1, -1 + 2ω, 1 + 2ω2 | |