nth roots of unity and of complex numbers; factor and remainder theorems, conjugate roots and polynomial equations

What this note covers

1. The nth roots of unity
2. nth roots of any complex number
3. Factor and remainder theorems
4. Conjugate roots of real polynomials
5. Solving polynomial equations: strategy
6. Exam technique and connections

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