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东北最强985?-吉林大学26考研的极限问题!

  • 2026-02-04 04:10:32
东北最强985?-吉林大学26考研的极限问题!

今天带来课程学员提问的26吉林大学数学分析考研难题. 解决本题的要熟练掌握渐近分析能力, 也是我们课程刚开始阶段主要训练的内容.

此题也是一个非常不错的非数学竞赛题, 我们今年针对非数学类课程大刀阔斧的革新, 完完全全适配非数学竞赛和考研且全网最优惠!

题目

计算

证明

首先

即由Stolz定理得

然后继续由Stolz定理得

于是我们有

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  1. CONNECT:[ UseTime:0.001033s ] mysql:host=127.0.0.1;port=3306;dbname=b_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001598s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000726s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000650s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001161s ]
  6. SELECT * FROM `set` [ RunTime:0.000553s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001425s ]
  8. SELECT * FROM `article` WHERE `id` = 465675 LIMIT 1 [ RunTime:0.001578s ]
  9. UPDATE `article` SET `lasttime` = 1770332449 WHERE `id` = 465675 [ RunTime:0.005968s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000563s ]
  11. SELECT * FROM `article` WHERE `id` < 465675 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000987s ]
  12. SELECT * FROM `article` WHERE `id` > 465675 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001035s ]
  13. SELECT * FROM `article` WHERE `id` < 465675 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.008268s ]
  14. SELECT * FROM `article` WHERE `id` < 465675 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.010443s ]
  15. SELECT * FROM `article` WHERE `id` < 465675 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.022001s ]
0.218869s