• 2022-05-31
    设四元二次型[img=111x25]1803bded568d4cd.png[/img][img=61x23]1803bded5fb34a6.png[/img]经正交变换[img=55x23]1803bded68c317c.png[/img]化为标准形[img=128x26]1803bded719b305.png[/img],则[img=14x19]1803bded7a6249c.png[/img]的最小特征值是
    A: 0
    B: 1
    C: 2
    D: 3