Imaginary Numbers?

The maths blog is back again!

Imaginary numbers? I hear you ask. Yes, they exist, but they prefer to go by the name of complex numbers. If you are confused as to what I am talking about here, let me attempt to explain.

Our traditional view of numbers is all of the numbers laid out one after the another on a number line. Complex numbers expand on this, by creating a plane in which number exist. If you are still lost, here is a visual representation:complex_number

So, as we can see from the image, there is a plane for the numbers to exist on. On the x axis (which is labelled v) the numbers increase/decrease by a value of 1. However, on the y axis (labelled iw) the numbers increase/decrease by a value of “i”. Now, “i” is known as the imaginary unit, and its exact value is defined by the equation  i^2 = -1. Many of you who are reading this have probably figured out that this basically means i is the square root of -1. You may have developed this idea further, and reached the realisation that there cannot be a square root of -1. And that is exactly why imaginary numbers “exist”

This is just an introduction in the concept. Because we do not currently have a running YouTube channel, just imagine that this is a link to an incredible playlist of videos about imaginary numbers.

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-The SpaceBunker team.


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