3.9 Complex Numbers

Intro: PDF

Forms of complex numbers and principal argument: PDF, Video

Operations of complex numbers and geometrical effects: PDF, Video

Complex conjugates and roots: PDF, Video

Cube roots of unity and square roots of a complex number: PDF, Video

Complex number loci: PDF, Video

Formula derivation: PDF, Video

Topical past paper: PDF, Video, Questions only

Resources and references

• • • https://www.desmos.com/calculator

    • https://www.symbolab.com/

    • https://issuu.com/harrowhongkong/docs/final_scientific_harrovian_issue_vi-i/s/11488755