I read something but not all.
Just noticed that they wrote sqrt(-1) which is incorrect.
Have you read about de Moivre's formula:
http://en.wikipedia.org/wiki/Root_of_unity#Examples
there are also the n-th roots of unity.The n-th root of unity are those numbers (real or complex) that on the power n gives number 1. For example:
]]>A simple application is to derive multiple-angle formulas:
E,g.
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Complex numbers remind me of elves and dwarves.
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]]>If you know anything interesting about complex or you have a problem with them just post here.
For those who don't know complex numbers are those of the form a+b*i where i is the imaginary unit which is the number for which i^2=-1.
Here are the rules of basic operations with compex numbers:
1)addition: