4.7 (194) In stock
Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.
Learn about the imaginary unit, "i", a unique number defined as the square root of -1. It's a key part of complex numbers, which are in the form a + bi. The powers of "i" cycle through a set of values.
Imaginary Numbers, How to simplify imaginary numbers, formula, practice problems and examples.
Intro to Complex Numbers / Imaginary Numbers (Notes, WS, Quiz & Answer Keys)
What is cosB= -1/root5? - Quora
01 - Intro to Complex Numbers
Introduction to complex numbers, Imaginary and complex numbers, Precalculus
Absolute value & angle of complex numbers (video)
The animation showing the complex roots of x 2 + 1. Image credit: Welch
Imaginary Numbers 3 - Powers of i (lesson video) by Mathematics Made Easy
What does it mean by saying square root of -1? - Quora
How to Multiply Complex Numbers, Algebra
Multiplying complex numbers (video)
Introduction to Imaginary Numbers
Simplifying Imaginary & Complex Numbers, Definition & Examples - Video