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If α is a complex a number such that α2+α+1 = 0 then α31 is
  • a)
    0
  • b)
    1
  • c)
    α
  • d)
    α2
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Ifαis a complex a number such thatα2+α+1 = 0 then&al...
Since α3 +1=(α+1)(α2 −α+1), using the given information, we get α3 +1 = 0
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Ifαis a complex a number such thatα2+α+1 = 0 then&al...
Since α3 +1=(α+1)(α2 −α+1), using the given information, we get α3 +1 = 0
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Ifαis a complex a number such thatα2+α+1 = 0 then&al...
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Ifαis a complex a number such thatα2+α+1 = 0 thenα31 isa)0b)1c)αd)α2Correct answer is option 'C'. Can you explain this answer?
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