Аналитическая геометрия и линейная алгебра. Умнов А.Е. - 265 стр.

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                  ¹ºãºÎ҈Ëã Ó©ä °º­°ˆmËÓÓ©ä ÏÓÈËÓÒ«ä                                   λi  È ÏÓÈ҈ äȈ¯ÒÈ R e  m ­È
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                  ¯Ë¹ºãºÎÒä ˆº °‚Ë°ˆm‚ ˆ mÈ ¯ÈÏãÒÓ©² °È亰º¹¯«ÎËÓÓ©² º¹Ë¯Èˆº¯È
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                      A + A = R 2 Ò R 2 − R 2 = O 
                                 2        1       2
                  


                  ~ÈäˈÒ䈺 R1 Ò R 2 ¹º¹º°ˆ¯ºËÓÒ  °ä° ÒäË ˆº­‚ °Ò°ˆËä‚°º­°ˆ
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                  jÏ ÓËm©¯ºÎËÓÓº°ˆÒ Ò ãÒÓˮӺ°ˆÒ R1  Ò R 2  m °Òã‚ ˆËº¯Ëä©  º¹Ë¯Èˆº¯
                  R1 + R 2  ˆÈ}ÎË ÓËm©¯ºÎËÓÓ©® Ò ¹ºªˆºä‚ ÒÏ ¯ÈmËÓ°ˆmÈ ( R1 − R 2 )( R1 + R 2 ) = O 
                  °ãË‚ˈ R − R = O ‘È}Ò亭¯ÈϺä R °È亰º¹¯«ÎËÓÓ©®º¹Ë¯Èˆº¯º¹¯Ë
                                     1        2

                  Ëã«Ëä©® ¹º A  ºÓºÏÓÈÓº sº Q = R −1 A  Ò ÏÓÈ҈ ˆÈ}ÎË º¹¯ËËã«Ëˆ°«
           ºÓºÏÓÈÓº¹º A 
           
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