Roots of complex numbers and the roots of unity

What this note covers

1. Solving z^n=c
2. Why every root is needed
3. Roots of unity
4. Sum and symmetry of roots
5. Regular polygons and areas
6. Rotated and scaled root sets
7. Complete complex-root sets and their polygon geometry
8. Roots of unity as algebraic symmetries and transformed sets

8 sections · 10 key terms & formulas · 6 common mistakes