【单选题】
下列( )是广义积分
①
<img src=https://huaweicloudobs.ahjxjy.cn/40C96E2A7E45886DE737F3FF8F005406.png title=QQ图片20160224212404.png alt=QQ图片20160224212404.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/82FE3BD26C371D03638503B9CEC4A7C3.png title=QQ图片20160224212425.png alt=QQ图片20160224212425.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/B48CE8D6AB5BAEF8CE56428BD44C70DC.png title=QQ图片20160224212505.png alt=QQ图片20160224212505.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/7449F739C4CB1DC62552B0D187F87A9C.png title=QQ图片20160224212524.png alt=QQ图片20160224212524.png/>
【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/>