Introduction to complex numbers. Adding, subtracting and multiplying complex numbers.
Understanding i and the complex plane
Subtracting Complex Numbers
Complex Conjugates
Dividing Complex Numbers
Dividing complex numbers. Complex conjugates.
Multiplying Complex Numbers
Complex Numbers
What happens when 100 perfect logicians have to figure out if they each have a blue forehead?
Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!
Complex Roots from the Quadratic Formula
Understanding and solving equations with imaginary numbers. . Conceptual videos and worked examples from basic algebra through algebra 2. Includes videos from the former algebra worked examples playlists.
Saving Earth from becoming a mushroom farm.
2010 IIT JEE Paper 1 Problem 39 Complex Numbers (part 1)
Counting paths in a square
Separating the truthteller from the togglers!
2010 IIT JEE Paper 1 Problem 39 Complex Numbers (part 3)
Calculating i raised to arbitrarily high exponents
The perfect logicians are at it again.
i as the principal square root of -1
Introduction to i and imaginary numbers
Argand Diagram, magnitude, modulus, argument, exponential form
Imaginary Roots of Negative Numbers