图示电路,其等效电路及参数为( )。[img=509x311]1803c4d5da85056.jpg[/img]
A: [img=190x187]1803c4d5e5649e0.jpg[/img]
B: [img=196x179]1803c4d5ef587c3.jpg[/img]
C: [img=198x171]1803c4d5f9a0155.jpg[/img]
D: [img=208x168]1803c4d602f0d03.jpg[/img]
A: [img=190x187]1803c4d5e5649e0.jpg[/img]
B: [img=196x179]1803c4d5ef587c3.jpg[/img]
C: [img=198x171]1803c4d5f9a0155.jpg[/img]
D: [img=208x168]1803c4d602f0d03.jpg[/img]
举一反三
- 设f(x)为连续函数,且 [img=217x49]18034a50d8b1b92.png[/img] 则[img=70x25]18034a50e196c62.png[/img] A: 5 B: 4 C: 0 D: -5
- 设[img=84x22]17e0ab7201ab5da.jpg[/img],且P{2<;X<;4}=0.1,不查表计算P{X<;0}=( ) A: 1/5 B: 2/5 C: 3/5 D: 4/5
- 设[img=84x22]17e43a3ff587368.jpg[/img],且P{2<;X<;4}=0.1,不查表计算P{X<;0}=( ) A: 1/5 B: 2/5 C: 3/5 D: 4/5
- 求不定积分[img=115x46]17da65382f8e1b9.png[/img]; ( ) A: x - (5*log(x + 1))/4 - (3*log(x - 3)) B: (5*log(x + 1))/4 - (3*log(x - 3)) C: x - (5*log(x + 1))/4 - (3*log(x - 3))/4 D: (5*log(x + 1))/4 - (3*log(x - 3))/4
- 求不定积分[img=121x54]17da653839aa6ae.png[/img]; ( ) A: log(x^2 + 3*x + 25/4)/4 + (5*atan(x/2 + 3/4))/4 B: log(x^2 + 3*x + 25/4)/4 C: (5*atan(x/2 + 3/4))/4 D: log(x^2 + 3*x + 25/4)/4 - (5*atan(x/2 + 3/4))/4