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<a href="   .html">   .</a><br><br>
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<h1><font size="8">   .     .</font></h1>
<font size="6"> ,            
       .       
       (a;b)     M(a;b), ..   
=   =b.<br>
<center><img src="153 1.bmp"></center><br>
   ,     ,      
 . ,    (a;b)=a+bi       M(a;b) , 
,   M(a;b)  -   (a;b)=a+bi.     , 
,  .          .  
  <i></i>.    <i></i>,    - <i></i>.<br>
     (a;b)=a+bi   <img src="153 2.bmp">. ,    
     (0;0)      M(a;b)    (a;b)=a+bi  .  
(0;0)   .<br>
            .
    .<br>
   z<sub>1</sub>=a<sub>1</sub>+b<sub>1</sub>i  z<sub>2</sub>=a<sub>2</sub>+b<sub>2</sub>i   
   .     <img src="153 3.bmp">   . 
          z<sub>1</sub>+z<sub>2</sub>  z<sub>1</sub> 
 z<sub>2</sub>    <img src="153 2.bmp">,    <img src="153 3.bmp">.  , 
        ,   ,    
.<br>
<center><img src="153 4.bmp"></center><br>
<i></i>   (a;b)=a+bi      .    z  
 |z|.        z=a+bi     :<br>
<center><img src="153 5.bmp"></center><br>
         .<br>
     . ,<br>
<center><img src="153 6.bmp"></center><br>
,     z=a+i0      :<br>
<center><img src="153 7.bmp"></center><br>
  z,       |z|=r, , ,  ,     
r     .<br>
<center><img src="154 1.bmp"></center><br>
 |z|   0,         . ,  ,    
  z=0.<br>
 ,    z     ,     z     
 z, , ,   <img src="154 2.bmp">.<br>
<i></i>   z (  )        
   z,     ,      ,   
     .<br>
   ,      z.   z=0    ,     
        .<br>
  ,    ,   . ,    z=1+i  
 : <img src="154 3.bmp"> , ,    <img src="154 4.bmp">,  k- .<br>
<center><img src="154 5.bmp"></center><br>
         <img src="154 6.bmp">.      a+bi 
  arg z  arg(a+bi).     -  ,    
<img src="154 6.bmp"><br>
      z=a+bi     |z|=r   <img src="154 2.bmp">  :<br>
<center>a=rcos<img src="154 2.bmp">, b=rsin<img src="154 2.bmp"></center><br>
 ,  <img src="154 2.bmp">        :<br>
<center><img src="155 1.bmp"></center><br>
      :<br>
<center>tg<img src="154 2.bmp">=b/a</center><br> 
    ,    ,       ,      
       .<br>
           .   z<sub>2</sub>  (-z<sub>1</sub>).  
   | z<sub>2</sub>-z<sub>1</sub> |    z<sub>2</sub>-z<sub>1</sub>, ..   <img src="153 2.bmp">. 
   OMN<sub>1</sub>  M<sub>1</sub>M<sub>2</sub>O ,  |<img src="153 2.bmp">| = |M<sub>1</sub>M<sub>2</sub>|. , 
   z<sub>2</sub>-z<sub>1</sub>     z<sub>2</sub>  z<sub>1</sub>.<br>
<center>tg<img src="155 2.bmp">=b/a</center><br> 
 ,<i>           ,    .</i> 
                  
 .<br>
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