Difference between revisions of "Complex number"
IntrepidMath (talk | contribs) m |
m (Complex numbers moved to Complex number: singular) |
(No difference)
|
Revision as of 11:52, 22 June 2006
The set of complex numbers is denoted by . The complement of this set is
, the real numbers. All complex numbers can be divided into two parts, the real part, denoted by
or simply
, and the imaginary part, denoted by
or simply
.
The letters and
are usually used to denote complex numbers.
Contents
[hide]Operations
- Addition
- Subtraction
- Multiplication
- Division
- Absolute value/Modulus/Magnitude (denoted by
). This is the distance from the origin to the complex number when graphed.
Simple Example
If and
,
,
,