In a previous post (https://addjustabitofpi.com/what-are-imaginary-numbers/) we saw what imaginary numbers are and the basic operations with them. Here you can practice and in another post you will be able to check your answers and see the procedure. I would love to see your answers in the comments!

As you may know, you can’t add or subtract two different variables to get one. For example, 4a + 3a = 7a but 4a + 3b is still equal to… Read more What are complex numbers? →

We’ve always been told we can’t take the square root of a negative number, since the square of a negative number is a positive number. But remember, in maths nothing… Read more What are imaginary numbers? →