The Full Diagnostic Path -- Complex Numbers (IB Math AA HL)

50 original exam-style questions across 5 sections. Full worked solutions with M1/A1/R1 IB mark scheme. Mistake analysis on every question. Sections cover Cartesian operations, modulus-argument form, De Moivre's theorem, roots of unity, and loci on the Argand diagram. Written by Abdul Wadood -- 25 years IB teaching experience.