反常积分[img=150x52]1803db3113c6f71.png[/img]发散,则k为( )
A: [img=43x22]1803db311d76d55.png[/img]
B: [img=43x20]1803db312629d9f.png[/img]
C: [img=43x20]1803db312e72dd1.png[/img]
D: [img=43x22]1803db3137c6d49.png[/img]
A: [img=43x22]1803db311d76d55.png[/img]
B: [img=43x20]1803db312629d9f.png[/img]
C: [img=43x20]1803db312e72dd1.png[/img]
D: [img=43x22]1803db3137c6d49.png[/img]
举一反三
- 反常积分[img=150x52]18036e527972052.png[/img]发散,则k为( ) A: [img=43x22]18036e5281f4095.png[/img] B: [img=43x20]18036e528ad86d5.png[/img] C: [img=43x20]18036e529388e13.png[/img] D: [img=43x22]18036e529b8655b.png[/img]
- 18034ab07bcc267.png取何值时,广义积分[img=127x50]18034ab085f0e75.png[/img]发散( ) A: [img=43x20]18034ab08f2ee2e.png[/img] B: [img=43x22]18034ab097bdc02.png[/img] C: [img=43x20]18034ab09f8243f.png[/img] D: [img=43x22]18034ab0a7541a1.png[/img]
- 设反常积分[img=174x52]1802e695eeb52b5.png[/img], 则下列说法正确的是( ) A: [img=76x20]1802e695f7dad13.png[/img]收敛 B: [img=43x20]1802e696013dabf.png[/img]收敛 C: [img=43x22]1802e6960a7bfb8.png[/img]收敛 D: [img=43x20]1802e69613028cb.png[/img]收敛
- 设反常积分[img=174x52]1802e6c110223c7.png[/img], 则下列说法正确的是( ) A: [img=76x20]1802e6c1192c61e.png[/img]收敛 B: [img=43x20]1802e6c121b6d5a.png[/img]收敛 C: [img=43x22]1802e6c12a7703b.png[/img]收敛 D: [img=43x20]1802e6c132a0354.png[/img]收敛
- X~N(1,1), 密度函数为[img=37x25]18038fe689205b5.png[/img], 分布函数为F(x), 则( ) A: [img=198x25]18038fe690a03ee.png[/img] B: [img=101x25]18038fe69af96aa.png[/img] C: [img=67x25]18038fe6a3b8e5b.png[/img][img=118x25]18038fe6ab93d6f.png[/img] D: F(x)=F(-x)