以下能直接利用柯西积分公式求解的积分为
A: [img=105x56]1803b1e7517ae1b.png[/img]
B: [img=105x56]1803b1e75a1209a.png[/img]
C: [img=103x57]1803b1e76267ff6.png[/img]
D: [img=121x56]1803b1e76a6ea72.png[/img]
A: [img=105x56]1803b1e7517ae1b.png[/img]
B: [img=105x56]1803b1e75a1209a.png[/img]
C: [img=103x57]1803b1e76267ff6.png[/img]
D: [img=121x56]1803b1e76a6ea72.png[/img]
举一反三
- 以下能直接利用柯西积分公式求解的积分为 A: [img=105x56]1803b1e6886b2d6.png[/img] B: [img=105x56]1803b1e6901ee26.png[/img] C: [img=103x57]1803b1e697bc538.png[/img] D: [img=121x56]1803b1e6a00f592.png[/img]
- 设函数y = y(x)由参数方程[img=104x61]1803d3461eb81d9.png[/img]确定，则[img=105x56]1803d346275301b.png[/img] A: -2 B: -1 C: [img=52x43]1803d3462eb551c.png[/img] D: [img=36x43]1803d3463748b21.png[/img]
- 设X与Y相互独立，均服从参数为1的指数分布，则P(X+Y<1) A: [img=84x24]18036de4b8088be.png[/img] B: [img=75x24]18036de4bf77b71.png[/img] C: [img=75x24]18036de4c8172a3.png[/img] D: =P(X<1)P(X<1) E: =P(X<0.5)+P(X<0.5) F: >P(X<1)
- 设X与Y相互独立，均服从参数为1的指数分布，则P(X+Y<1) A: [img=84x24]1803645ffb36da1.png[/img] B: [img=75x24]180364600306be0.png[/img] C: [img=75x24]180364600c8ab8b.png[/img] D: =P(X<1)P(X<1) E: =P(X<0.5)+P(X<0.5) F: >P(X<1)
- 设X与Y相互独立，均服从参数为1的指数分布，则P(X+Y<1) A: [img=84x24]18035b3d47a8410.png[/img] B: [img=75x24]18035b3d50597f9.png[/img] C: [img=75x24]18035b3d59275e6.png[/img] D: =P(X<1)P(X<1) E: =P(X<0.5)+P(X<0.5) F: >P(X<1)