(Some Operations)
(Some Operations)
Line 6: Line 6:
 
* <math>i^2 = -1</math>
 
* <math>i^2 = -1</math>
 
* <math>|a+bi| =\sqrt(a^2+b^2)</math>
 
* <math>|a+bi| =\sqrt(a^2+b^2)</math>
* <math>|z| = |\overlinez|, where z is complex number </math>
+
* <math>|z| = |\overline z|, where z is complex number </math>

Revision as of 09:20, 1 September 2008

Definition

  • the complex numbers are combinations of both real parts and imaginary parts, denoted i.
  • These can be written a+bi, where a and b are real numbers.

Some Operations

  • $ i^2 = -1 $
  • $ |a+bi| =\sqrt(a^2+b^2) $
  • $ |z| = |\overline z|, where z is complex number $

Alumni Liaison

Basic linear algebra uncovers and clarifies very important geometry and algebra.

Dr. Paul Garrett