Аналитическая геометрия и линейная алгебра. Умнов А.Е. - 211 стр.

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                                                                        =               ⇒       x=µ             ∀µ ≠ 0 
                                                         0 0         ξ2   0                               0
                          
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                          °ººˆmˈ°ˆm‚ ËË°º­°ˆmËÓÓºä‚ÏÓÈËÓÒ  λ = 1 }¯ÈˆÓº°ˆÒ
           
           
           
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           ˆºã }º ˆºÈ }ºÈ ˺ äȈ¯ÒÈ m©¯ºÎËÓÓÈ« ˆº Ë°ˆ  m ã ­ºä ­ÈÏÒ°Ë
            det A = 0 
           

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