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Complex numbers

5 videos
5 skills
Let's start constructing numbers that have both a real and imaginary part. We'll call them complex. We can even plot them on the complex plane and use them to find the roots of ANY quadratic equation. The fun must not stop!

The complex plane

PRACTICE PROBLEMS
Plot complex numbers on the complex plane.

Complex plane operations

PRACTICE PROBLEMS
Add or subtract numbers in the complex plane.