In this video playlist, you will learn everything you need to know about complex and imaginary numbers (6i)(3i)(4i^2). Republican flips Democrat-held seat for first time in nearly 4 decades Odds of a ...

Mathematicians were disturbed, centuries ago, to find that calculating the properties of certain curves demanded the seemingly impossible: numbers that, when multiplied by themselves, turn negative.

Imaginary numbers might seem like unicorns and goblins — interesting but irrelevant to reality. But for describing matter at its roots, imaginary numbers turn out to be essential. They seem to be ...