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Complex Numbers question

2005 · Shift 0 · Q70
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Complex Numbers question

2005 · Shift 0 · Q70

JEE MainMathematicsComplex NumbersMCQ+4 / −1
If the cube roots of unity are 1, ω , ω2\omega \,,\,{\omega ^2}ω,ω2 then the roots of the equation (x−1)3{(x - 1)^3}(x−1)3 + 8 = 0, are :
  1. A
    −1,−1+2  ω,−1−2  ω2- 1, - 1 + 2\,\,\omega , - 1 - 2\,\,{\omega ^2}−1,−1+2ω,−1−2ω2
  2. B
    −1,−1,−1- 1, - 1, - 1−1,−1,−1
  3. C
    −1,1−2ω,1−2ω2- 1,1 - 2\omega ,1 - 2{\omega ^2}−1,1−2ω,1−2ω2
  4. D
    −1,1+2ω,1+2ω2- 1,1 + 2\omega ,1 + 2{\omega ^2}−1,1+2ω,1+2ω2
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