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UNIT 13 · LESSON 4

Complex Number Basics

Extend quadratic solutions beyond the real number system.

WHY LEARN THIS?

This idea has a purpose.

Mathematics becomes much easier when you understand what a tool was designed to accomplish. This lesson will build Complex Number Basics from the idea itself instead of asking you to memorize a rule first.

Places this kind of mathematics can appear:

electrical engineering
signal analysis
advanced mathematics
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