| Line 9: | Line 9: | ||
<math>j^4 = 1</math> | <math>j^4 = 1</math> | ||
| + | |||
| + | == Multiplication == | ||
| + | <math>(a+bj)+(c+dj) = (a + c) + (c + d)j</math> | ||
| + | |||
| + | == division == | ||
| + | <math>(a+bj)/(c+dj) = | ||
Revision as of 16:15, 4 September 2008
Definition of Complex Number
A complex number can be defined as $ j = \sqrt(-1) $
$ j^1 = j $
$ j^2 = -1 $
$ j^3 = -j $
$ j^4 = 1 $
Multiplication
$ (a+bj)+(c+dj) = (a + c) + (c + d)j $
division
$ (a+bj)/(c+dj) = $
