Аналитическая геометрия и линейная алгебра. Умнов А.Е. - 28 стр.

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                                             →        →                                                      ξ1 = λη1
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                                                                                                            ξ 2 = λη2
                 ÒϪˆÒ²m‚²°}È㫯ө²°ººˆÓº ËÓÒ®¹ºã‚Òä ξ1η 2 − ξ 2η1 = 0 ÓºªˆºÒºÏÓÈ

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