Introduction to I and Imaginary numbers

Students are always fascinated by imaginary numbers. In this video, Sal defines the imaginary unit, i, and shows when raising i to an exponent it has a cyclic nature.

Concepts

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imaginary numbers, complex numbers

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Additional Tags

imaginary numbers, imaginary unit, square root of a negative number, pure imaginary number, math

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Resource Details

Grade

9th - 11th

Subjects

Math

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Resource Type

Instructional Videos

Media Length

5:20

Audiences

For Teacher Use

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Instructional Strategy

Flipped Classroom

Accessibility

Closed Captions

Usage Permissions

Creative Commons

BY-NC-SA: 3.0