Lalthazuala Asked a Question
September 15, 2020 9:40 ampts 30 pts
d) 20 9. o (cube roots of unity) is equal to a) (-1/2)+iv3/2 b) (1/2)-iv3/2 c)(1/2)+iv3/2 d (-1/2)-iv3/2 ) 10. The equation of third degree with real coefficient whose two roots are 2 and i is a) x3-2x2+ x - 2 -0 b) x3-2x2- x - 2 = 0 c) x3- 8 = 0 d) x3 +8 = 0 Part B:
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  • Deepak singh Best Answer
    see attached solution,
    • cropped7207930698764575841.jpg
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    Deepak singh
    if any doubt then ask
  • Vishal goswami
    option a is correct in both question.
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  • Lalthazuala
    sir question no10
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