设[img=14x19]1803bde84fefbb6.png[/img]为三阶方阵，[img=52x25]1803bde85922533.png[/img] 则行列式[img=92x27]1803bde86183868.png[/img]的值为
A: 108
B: 16
C: 168
D: 18
A: 108
B: 16
C: 168
D: 18
举一反三
- 设[img=14x19]1803bdeb8d130eb.png[/img]为三阶方阵，[img=14x19]1803bdeb94f0b77.png[/img]为四阶方阵, [img=140x25]1803bdeb9c95f56.png[/img] 则行列式[img=55x27]1803bdeba4791fd.png[/img]的值为
- 设[img=14x19]1803bde8d5e7087.png[/img]为三阶方阵，[img=14x19]1803bde8ddd28ef.png[/img]为四阶方阵, [img=140x25]1803bde8e5a8d53.png[/img] 则行列式[img=55x27]1803bde8ee86bd1.png[/img]的值为
- 设[img=14x19]1803bde73fca63d.png[/img]为三阶方阵，[img=14x19]1803bde74807423.png[/img]为四阶方阵，且[img=126x25]1803bde750aae45.png[/img]则[img=86x25]1803bde758dd64c.png[/img]
- 设[img=14x19]1803bde947e1e35.png[/img]为三阶方阵，[img=14x19]1803bde9504f706.png[/img]为四阶方阵，且[img=126x25]1803bde957d4fc0.png[/img]则[img=86x25]1803bde95f75678.png[/img]
- 设随机变量X服从U(-1,1)，则随机变量变量Y=max(X, |X|)服从的分布为（） A: [img=66x25]1803bb15eb83682.png[/img] B: [img=52x25]1803bb15f3b2ab6.png[/img] C: [img=52x25]1803bb15fe31a58.png[/img] D: 非均匀分布