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" 3.If "x=e^((8 pi)/(17)," then find "Re...

" 3.If "x=e^((8 pi)/(17)," then find "Re(alpha+alpha^(2)+alpha^(3)+alpha^(4)+alpha^(5)))-sum_((z_(1)))^(((8 pi)/(4)))," then find Re "(alpha+alpha^(2)+alpha^(3)+alpha^(4)+alpha^(5))quad =quad [cos(A+alpha-alpha)],[10:(A+2 alpha)],[alpha-alpha(alpha-beta)]

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