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If alpha is a root of x^4 = 1 with negat...

If `alpha` is a root of `x^4 = 1` with negative principal argument then the principal argument of `Delta(alpha) = |(1,1,1), (alpha^n, alpha^(n+1), alpha^(n+3)), (1/alpha^(n+1), 1/alpha^n, 0)|` is

A

`(5pi)/4`

B

`-(3pi)/4`

C

`pi/4`

D

`-pi/4`

Text Solution

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The correct Answer is:
B
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