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 7:39 Necessity of complex numbers 0:22 Complex Numbers 3D #math #animation #complex #numbers #learn #study 12:49 APPRENDRE À FACTORISER 11:26 Do Complex Numbers Exist? 5:57 Simplifying Complex Numbers 9:10 Introduction to Complex Numbers (1 of 2: The Backstory)