Аналитическая геометрия и линейная алгебра. Умнов А.Е. - 161 стр.

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c È Ï  Ë ã                                                      165
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            È}°Òºä˹° m ÒϺ¹¯ËËãËÓÒ«ãÒÓˮӺº¹¯º°ˆ¯ÈÓ°ˆmÈ­‚‚ˆ°¹¯ÈmËãÒ
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                                                                       x = 1x = (0 + 1) x = 0 x + 1x = 0 x + x . 
               
               ¯Ò­Èmã«« } º­ËÒä È°ˆ«ä ªˆºº ¯ÈmËÓ°ˆmÈ ªãËäËӈ y ¹¯ºˆÒmº¹ºãºÎÓ©® ªãË
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               Ò y 2 ‘ºÈ°ºãÈ°ÓºÈ}°ÒºäË°  ãÒÓˮӺº¹¯º°ˆ¯ÈÓ°ˆmÈ­‚‚ˆ°¹¯ÈmËãÒm©
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                                                                                          y 2 + ( x + y1 ) = y 2 
                                                                                                     
          m °Òã‚ È°°ºÒȈÒmÓº°ˆÒ º¹Ë¯ÈÒÒ °ãºÎËÓÒ« Ò mˆº¯ºº ¯ÈmËÓ°ˆmÈ sº ° ¯‚º®
          °ˆº¯ºÓ© y 2 + ( x + y1 ) = ( y 2 + x ) + y1 = o + y1 = y1 ‘ºË°ˆ  y 2 = y1 
          
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