AP EAMCET Engineering 23 Apr 2019 Shift 1 Paper

Section: Mathematics

Question : 9 of 160

Marks: +1, -0

If 1 , α1,α2 , ... , αn−1 are the nth roots of unity and n is an even natural number, then (1 + α1) (1 + α2) ... (1 + αn−1) =

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