Аналитическая геометрия и линейная алгебра. Умнов А.Е. - 288 стр.

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                 = S           ( Φ     )       Ψ    S = S              ( Φ         Ψ ) S          .
            
            
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                      1 3             8 6
ÒȺÓÈã Óºº ¹¯Ë°ˆÈmãËÓÒ« }mȯȈÒÓºº Á‚Ó}ÒºÓÈãÈ Ψ ( x )  Ó˺­²ºÒäº ¯Ë ҈ 
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                                   det (            −λ              ) = 0 ÒãÒ det                            = 0 
                                           8 3             1 3                                 8−λ          3 − 3λ
            
            º°}ºã }‚ ÈÓÓºË ‚¯ÈmÓËÓÒË ÒäËˈ mÈ }º¯Ó« λ1 = 5  Ò λ2 = −4  ˆº Ò°}ºä©®
ÒȺÓÈã Ó©® mÒ ã« Ψ ( x )  ­‚ˈ Ψ ( x ) = 5ξ1′ 2 − 4ξ 2′ 2  m ˆº m¯Ëä« }È} ºËmÒÓº ˆº
Φ ( x ) = ξ1′2 + ξ 2′2 
            

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