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Cube roots of unity [FP2 AQA]

https://imgur.com/a/ef1Mh
TSR image system not working again.

I'm going with what it says in the book,
" If complex root with smallest positive principle argument is denoted by w, the other complex roots are w^2, w^3, ... , w^n-1 where w^n =1 "

Edit:
Answer is -alpha^3(1+alpha)
(edited 6 years ago)
Original post by ckfeister
https://imgur.com/a/ef1Mh
TSR image system not working again.

I'm going with what it says in the book,
" If complex root with smallest positive principle argument is denoted by w, the other complex roots are w^2, w^3, ... , w^n-1 where w^n =1 "

Edit:
Answer is -alpha^3(1+alpha)


Second to last line.
alpha^5=1

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