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A complex number can be defined as <math>j = \sqrt(-1)</math>
 
A complex number can be defined as <math>j = \sqrt(-1)</math>
  
<math>j^1 = j
+
<math>j^1 = j</math>
  
j^2 = -1
+
<math>j^2 = -1</math>
  
j^3 = -j
+
<math>j^3 = -j</math>
  
j^4 = 1</math>
+
<math>j^4 = 1</math>

Revision as of 16:10, 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 $

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Mu Qiao