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<a href="   .html">   .</a><br><br>
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<h1><font size="8">    .       
  .</font></h1>
<font size="6">     :<br>
<center>a=rcos<img src="154 2.bmp">, b=rsin<img src="154 2.bmp"></center><br>
         z=a+bi    r   <img src="154 2.bmp">.
   z=a+bi,   ,      :<br>
<center>z=r(cos<img src="154 2.bmp">+isin<img src="154 2.bmp">)</center><br>
    <i></i>.<br>
 ,         ,    
      .<br>
           .    
   , ,    :
<center>z<sub>1</sub>=r<sub>1</sub>(cos<img src="154 2.bmp"><sub>1</sub>+isin<img src="154 2.bmp"><sub>1</sub>) 
 z<sub>2</sub>=r<sub>2</sub>(cos<img src="154 2.bmp"><sub>2</sub>+isin<img src="154 2.bmp"><sub>2</sub>)</center><br>
    ,  r<sub>1</sub>=r<sub>2</sub>,<img src="154 2.bmp"><sub>1</sub>=<img src="154 2.bmp"><sub>2</sub>
+<img src="154 6.bmp">k, k    . ..    ,     
<img src="154 6.bmp">k,  k -   .<br>
 :<br>
<center>z<sub>1</sub>=r<sub>1</sub>(cos<img src="154 2.bmp"><sub>1</sub>+isin<img src="154 2.bmp"><sub>1</sub>) 
 z<sub>2</sub>=r<sub>2</sub>(cos<img src="154 2.bmp"><sub>2</sub>+isin<img src="154 2.bmp"><sub>2</sub>) - </center><br>
     .<br>
     :<br>
<center>z<sub>1</sub>z<sub>2</sub>=r<sub>1</sub>r<sub>2</sub>(cos<img src="154 2.bmp"><sub>1</sub>cos<img src="154 2.bmp"><sub>2</sub>
-sin<img src="154 2.bmp"><sub>1</sub>sin<img src="154 2.bmp"><sub>2</sub>+isin<img src="154 2.bmp"><sub>1</sub>cos<img src="154 2.bmp"><sub>2</sub>+
icos<img src="154 2.bmp"><sub>1</sub>sin<img src="154 2.bmp"><sub>2</sub>) </center><br>
<br>
<center>z<sub>1</sub>z<sub>2</sub>=r<sub>1</sub>r<sub>2</sub>(cos(<img src="154 2.bmp"><sub>1</sub>+<img src="154 2.bmp"><sub>2</sub>)
-isin(<img src="154 2.bmp"><sub>1</sub>+<img src="154 2.bmp"><sub>2</sub>)) </center><br>
,<br>
<center>|z<sub>1</sub>z<sub>2</sub>|= r<sub>1</sub>r<sub>2</sub>, arg(z<sub>1</sub>z<sub>2</sub>)=<img src="154 2.bmp"><sub>1</sub>+
<img src="154 2.bmp"><sub>2</sub>+<img src="154 6.bmp">k,  k-  .</center><br>
 ,   : <i>         , 
      .</i><br>
   .      - <br>
<center>z<sub>1</sub>=r<sub>1</sub>(cos<img src="154 2.bmp"><sub>1</sub>+isin<img src="154 2.bmp"><sub>1</sub>) 
 z<sub>2</sub>=r<sub>2</sub>(cos<img src="154 2.bmp"><sub>2</sub>+isin<img src="154 2.bmp"><sub>2</sub>)</center><br>
  .      z<sub>1</sub>/z<sub>2</sub>  <br>
cos<img src="154 2.bmp"><sub>2</sub>-isin<img src="154 2.bmp"><sub>2</sub>, :<br>
<center><img src="158 1.bmp"><br>
<img src="158 2.bmp"></center><br>
,<br>
<center><img src="158 3.bmp"></center><br>
: <br>
<center><img src="158 4.bmp"></center><br>

 , <i>         ,     
   .</i>
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