SubArea: Powers and roots of complex numbersLevel: CProject ID: 2010013413Source Problem: 2010013412Accepted: 0Clonable: 1Easy: 0Which of the given numbers does not belong to the solution set of the following equation? x4+1+i=028(cos3π16+isin3π16)i−1−i4−1−i428(cos5π16+isin5π16)