1) solve inside C z^(12) =1 and give the solution at form r e^(iθ) 2)calculate 1+u +u^2 +... +u^n then find the solution of z∈C z^8 +z^4 +1=0


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Question Number 31031 by abdo imad last updated on 02/Mar/18

$1) s o l v e i n s i d e C z^{12} = 1 a n d g i v e t h e s o l u t i o n a t f o r m$ $r e^{i θ}$ $2) c a l c u l a t e 1 + u + u^{2} + . . . + u^{n} t h e n f i n d t h e s o l u t i o n$ $o f z \in C z^{8} + z^{4} + 1 = 0$
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