GATE Electrical Engineering (EE) 2011 Solved Paper

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Question : 61 of 65

Marks: +1, -0

Roots of the algebraic equation x³ + x² + x + 1 = 0 are

(+1, +j, -j)
(+1, -1, +1)
(0, 0, 0)
(-1, +j, -j)

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