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Introduction to imaginary numbers
- Lesson: 110:19
- Lesson: 28:24
Introduction to imaginary numbers
Have you ever run into a situation where you want to find the square root of a negative number, but the calculator gives you nothing but a big error? Well, we will explore the meaning of this error from a different perspective. In this section, we will introduce the notion of imaginary numbers, and how to simplify them.
Basic Concepts: Converting radicals to mixed radicals, Product rule of exponents, Power of a product rule
Related Concepts: Imaginary zeros of polynomials
Lessons
- 1.Simplify the roots of negative numbers
■ −16
■ −40
■ (−9)23 - 2.Simplify the following imaginary numbers with high powers
■ i5
■ i200
■ (23i)4