10328 424 1 Imaginary Numbers are Real - Part 1: Introduction 10328 424 1 Math Imaginary Numbers are Real
8866 259 0 Imaginary Numbers are Real - Part 2: A Little History 8866 259 0 Math Imaginary Numbers are Real
9289 144 0 Imaginary Numbers are Real - Part 3: Cardan's Problem 9289 144 0 Math Imaginary Numbers are Real
