Introduction
- Complex numbers are typically represnted in the form $ (a + bi)\! $, where $ i=\sqrt{-1}\! $ and $ i^2=-1\! $. The variable $ a\! $ reprents the real part and the variable $ b\! $ represents the imaginary part.
Adding Complex Numbers
- Addition of two complex numbers is done by adding the real parts together and the imaginary parts together:
$ (a+bi)+(c+di)=(a+c)+(b+d)i\! $
Subtracting Complex Numbers
- Subtraction of two complex numbers is done by subtracting the real parts and the imaginary parts seperately:
$ (a+bi)-(c+di)=(a-c)+(b-d)i\! $
