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How do you simplify expressions with imaginary numbers?

Question:

How do you simplify expressions with imaginary numbers?

Imaginary Numbers:

In mathematics, the number i is defined as the number, such that i2 = -1. That is, i has the value of {eq}\sqrt{-1} {/eq}. Any number that contains the number i is called an imaginary number.

Answer and Explanation:

To simplify expressions with imaginary numbers, we simply treat i as a variable, and anytime that i2 shows up in the simplification, we replace it...

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What is an Imaginary Number?

from Math 101: College Algebra

Chapter 5 / Lesson 1
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