Аналитическая геометрия и линейная алгебра. Умнов А.Е. - 283 стр.

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      mˆº¯ºº °ãºmÒË º¯ˆººÓÈã Óº°ˆÒ °ˆºã­ºm                                          1  Ò            α   ºËmÒÓº Ë°ˆ 
                                                                                             0                 β
                                           1           −1
       2α + β = 0 |ˆ}‚ȹºã‚ÈËä f 2 = 1 Ò f 3 = 1 
                                           0          −2
      

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