【单选题】
下列数列发散的是
①
<img src=https://huaweicloudobs.ahjxjy.cn/D400BF1BF423DF5E418DE1A118996CA5.png style=vertical-align: middle;/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/F3DFA6DD683A05A970E1B8599D6D3831.png style=vertical-align: middle;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/E95D0B0EFFF72EF753DF547FA443B1F8.png style=vertical-align: middle;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/153B4AC195E22CBE9262762811F34831.png style=vertical-align: middle;/>
【单选题】
下列广义积分发散的是
①
<img src=https://huaweicloudobs.ahjxjy.cn/E6FE09E94CD048FE0BE4C7B34A42CA1B.png title=QQ图片20160224202233.png alt=QQ图片20160224202233.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/763558BB85430877B917B3713A04AA74.png title=QQ图片20160224202259.png alt=QQ图片20160224202259.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/15A5CC3D47563C948E6DABA10FD83E2B.png title=QQ图片20160224202317.png alt=QQ图片20160224202317.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/4E65E24F2F3CE3D334C3EC032F5385DD.png title=QQ图片20160224210129.png alt=QQ图片20160224210129.png/>