幂级数[img=169x60]1803668bf93491d.png[/img]的和函数为( ).
A: [img=66x52]1803668c018fb07.png[/img]
B: [img=63x46]1803668c0b0cec2.png[/img]
C: [img=63x46]1803668c1409547.png[/img]
D: [img=63x50]1803668c1c99270.png[/img]
A: [img=66x52]1803668c018fb07.png[/img]
B: [img=63x46]1803668c0b0cec2.png[/img]
C: [img=63x46]1803668c1409547.png[/img]
D: [img=63x50]1803668c1c99270.png[/img]
举一反三
- 幂级数[img=169x60]1802d00a85f3e4c.png[/img]的和函数为( ). A: [img=66x52]1802d00a8f3a839.png[/img] B: [img=63x46]1802d00a980e664.png[/img] C: [img=63x46]1802d00aa0af24d.png[/img] D: [img=63x50]1802d00aa977ba9.png[/img]
- 幂级数[img=169x60]1803d6a40008976.png[/img]的和函数为( ). A: [img=66x52]1803d6a40856133.png[/img] B: [img=63x46]1803d6a41148420.png[/img] C: [img=63x46]1803d6a419e551c.png[/img] D: [img=63x50]1803d6a422ccf97.png[/img]
- 函数f(x)=[img=40x76]17e0bf8d391c13e.png[/img]的不连续点为( ) 未知类型:{'options': ['x=0', ' x=[img=43x39]17e0bf8d4513730.png[/img](k=0,±1,±2,…)', ' x=0和x=2kπ(k=0,±1,±2,…)', ' x=0和x=[img=43x39]17e0bf8d4513730.png[/img](k=0,±1,±2,…)'], 'type': 102}
- 下列4个集合中是空集的是() A: {x|[img=18x22]1802f060e2f728f.png[/img]+1=0} B: {x|[img=18x22]1802f060e2f728f.png[/img]<-x} C: {x|[img=18x22]1802f060e2f728f.png[/img]=0} D: {x|[img=18x22]1802f060e2f728f.png[/img]-1=0}
- 下列4个集合中是空集的是() A: {x|[img=18x22]1803d021d498831.png[/img]+1=0} B: {x|[img=18x22]1803d021d498831.png[/img]<-x} C: {x|[img=18x22]1803d021d498831.png[/img]=0} D: {x|[img=18x22]1803d021d498831.png[/img]-1=0}