已知幂级数在处收敛,则时,幂级数一定收敛。( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/be98218ea9234292a97cab946c428bb8.png
举一反三
- 已知幂级数 在 处收敛,则 时,幂级数 绝对收敛。( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/75f888305cee4551b37bf60fcef978b1.png
- 已知幂级数 在 处发散,则 时,幂级数 ( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/5754dc1be0d14442a3a1aab9a8d11025.png
- 已知幂级数在处发散,则时,幂级数( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/5754dc1be0d14442a3a1aab9a8d11025.png
- 若幂级数在处收敛,则幂级数在处( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/e1b9a44af3c247c18ecbd519ab4e38fc.png
- 若 =∞,则级数 收敛于 。( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/32fb85dd066a437a87922b798361205f.png