The eventual goal is to be able to use imaginary numbers - understanding what they are is the first step. Let's get it.
Other videos involving imaginary numbers:
Complex Numbers: https://www.youtube.com/watch?v=NqeGildWPG0
Simplifying Square Roots using the Imaginary Number: https://www.youtube.com/watch?v=I5B7xzQSls0
Quadratic Equations with Complex Solutions: https://www.youtube.com/watch?v=DY3tfZ4-rBE
https://www.mathwithmiller.org/