• 2022-05-31
    设四元二次型[img=111x25]1803bdecfb196cd.png[/img][img=61x23]1803bded0408711.png[/img] 经正交变换[img=55x23]1803bded0cd5911.png[/img]化为标准形[img=128x26]1803bded24aaadd.png[/img],则[img=14x19]1803bded2d348ac.png[/img]的最小特征值是
    A: 0
    B: 1
    C: 2
    D: 3