Adding Complex Numbers
Understanding i and the complex plane
Multiplying Complex Numbers
Dividing complex numbers. Complex conjugates.
Complex Conjugates
Dividing Complex Numbers
Complex Numbers
Subtracting Complex Numbers
How to get correct advice when you can only ask one question from either a liar or a truth-teller (when you don't know who is what)
Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!
Calculating i raised to arbitrarily high exponents
Using exponential form to find complex roots
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.
2010 IIT JEE Paper 1 Problem 39 Complex Numbers (part 3)
Separating the truthteller from the togglers!
i as the principal square root of -1
Argand Diagram, magnitude, modulus, argument, exponential form
Introduction to i and imaginary numbers
What happens when 100 perfect logicians have to figure out if they each have a blue forehead?
2010 IIT JEE Paper 1 Problem 53 Complex Determinant
2010 IIT JEE Paper 1 Problem 39 Complex Numbers (part 2)