若级数http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/7b1a57e50e28470a94cfc69798ff4e92.png发散，则级数http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/8dfdfcf264264745ae2e15830d060573.png（http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/150299b5282a4ae9a7a91a19839d4460.png为常数） 也发散。( )
举一反三
- 若级数http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/40dd933d966d4d23be58c68c8e811716.png发散，则http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/faaa6bd9061c4c139fa21f21083e747b.pnghttp://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/f87d20317ab74d1f85d08286f1778fed.png收敛。 ( )<span style="font-family: 宋体;</span><br><span style=";font-family:宋体;font-size:16px<span style="font-family:宋体</span></span><br>
- 若http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/d09e972411274c708f0c7b0fb798e211.png，则级数http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/50671f4799a54aff89dd17058df3164d.png收敛。 ( )<p style="line-height:150%<br><span style="font-family: 宋体;</span><br><br>
- 设函数http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/c15bcfdbdd7a4a719d7af2846a9dab3f.png,则http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/970d0a703f5b4b5ba0b57402e1999685.png（ ）<span style=";font-family:宋体;font-size:16px<span style="font-family:宋体</span></span><br>
- 已知http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/e3bc2e8450d446dbb69dc188d0c668f0.png，则http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/b654c6ba26924e18a6a93cebd8d2e16d.png（ ）<span style=";font-family:宋体;font-size:16px;position:relative;top:7px<span style="font-family:宋体</span></span><br><br>
- 若级数http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/e3aed89d4b864614815b126628d94b34.png收敛，则http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/e2642043e7144a61a807e2a050ccd6a9.png也收敛。( )<br>