What is the output voltage of the following circuit?[img=368x247]18031c75256a8d7.jpg[/img]
A: [img=113x21]18031c752dbaea0.png[/img]
B: [img=113x21]18031c7535d319c.png[/img]
C: [img=113x21]18031c753e78172.png[/img]
D: [img=113x21]18031c754790b3a.png[/img]
A: [img=113x21]18031c752dbaea0.png[/img]
B: [img=113x21]18031c7535d319c.png[/img]
C: [img=113x21]18031c753e78172.png[/img]
D: [img=113x21]18031c754790b3a.png[/img]
举一反三
- 设随机变量X~U(2,4),则[img=97x21]17e0b83ab97dae4.png[/img]( ) 未知类型:{'options': ['', ' [img=112x21]17e0b83aced9f07.png[/img]', ' [img=113x21]17e0b83ad90f77f.png[/img]', ' [img=113x21]17e0b83ae34936f.png[/img]'], 'type': 102}
- 向量组[img=102x21]17e435f02024d28.jpg[/img],[img=113x21]17e435f028ee90f.jpg[/img],[img=113x21]17e435f03067f55.jpg[/img]线性无关?
- 在下列方程中,以[img=183x24]17e437b40d561e2.png[/img]为通解的方程是 未知类型:{'options': ['', ' [img=113x21]17e437b41e97ea6.png[/img]', ' [img=113x21]17e437b426e908f.png[/img]', ' [img=113x21]17e437b42f3d672.png[/img]'], 'type': 102}
- 设微分方程[img=129x26]1802e69a09a8fcd.png[/img]则满足[img=74x40]1802e69a1269afd.png[/img]的特解为( ) A: [img=111x23]1802e69a1bfc527.png[/img] B: [img=111x23]1802e69a2880060.png[/img] C: [img=113x21]1802e69a31a1d2c.png[/img] D: [img=113x21]1802e69a3a4a8f0.png[/img]
- 已知[img=113x21]17e0b3862fbf0b8.png[/img],则[img=84x29]17e0b3863b4d847.png[/img]( )。 A: 3 B: 2 C: 10 D: 12