Q3
Roots of the algebraic equation x3 + x2 + x + 1 = 0 are
A.
(+1, +j, -j)
B.
(+1, -1, +1)
C.
(0, 0, 0)
D.
(-1, +j. -j)
AnswerAnswer: Option D
Solution
Answer: Option D
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