计算积分[img=195x56]1802ed461d25fc1.png[/img]( ).
A: [img=9x43]1802ed46265c212.png[/img]
B: -1
C: [img=9x43]1802ed462e98987.png[/img]
D: 1
A: [img=9x43]1802ed46265c212.png[/img]
B: -1
C: [img=9x43]1802ed462e98987.png[/img]
D: 1
举一反三
- 计算积分[img=195x56]1802ed2b4f1f7d8.png[/img]( ). A: [img=9x43]1802ed2b57e4fdc.png[/img] B: [img=23x20]1802ed2b61053a0.png[/img] C: [img=9x43]1802ed2b69be790.png[/img] D: 1
- 由曲线y = ln x与两直线y = e + 1 - x及y =0所围成的平面图形的面积是( ) A: [img=9x43]1803d359c6d03bb.png[/img] B: [img=9x43]1803d359cf002dd.png[/img] C: [img=9x43]1803d359d7c81af.png[/img] D: [img=9x43]1803d359e1364cf.png[/img]
- 设X在区间[2,4]上服从均匀分布，则P(1<X<3)= A: 1 B: [img=9x43]1803da10e750d41.png[/img] C: 0.5 D: [img=9x43]1803da10ef8a065.png[/img]
- 设X在区间[2,4]上服从均匀分布，则P(1<X<3)= A: 1 B: [img=9x43]1803da15a6ecd1e.png[/img] C: 0.5 D: [img=9x43]1803da15af6d62d.png[/img]
- 自变量x=（ ）时,抛物线[img=50x26]1803d3554765325.png[/img]与[img=50x26]1803d3554f08963.png[/img]的切线平行 A: 1 B: -1 C: [img=9x43]1803d355579b07c.png[/img] D: [img=9x43]1803d3556094a4e.png[/img]