8:35 Complex Numbers: Operations, Complex Conjugates, and the Linear Factorization Theorem 4:44 Introduction to complex numbers | Imaginary and complex numbers | Precalculus | Khan Academy 11:26 Do Complex Numbers Exist? 7:39 Necessity of complex numbers 3:36 Complex Numbers - Basics | Don't Memorise 8:51 Comment comprendre FACILEMENT les matrices 7:28 UNDERSTANDING FUNCTION LIMITS - Term Spé 5:47 Imaginary Numbers Are Real [Part 1: Introduction] 5:57 Simplifying Complex Numbers 9:10 Introduction to Complex Numbers (1 of 2: The Backstory)