24СʱÈÈÃŰæ¿éÅÅÐаñ    

Znn3bq.jpeg
²é¿´: 1596  |  »Ø¸´: 19
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

huangbl2014

Í­³æ (ÖøÃûдÊÖ)

[ÇóÖú] ÇóÒ»¸ö¼«ÏÞ¡£ ÒÑÓÐ2È˲ÎÓë

Çó¼«ÏÞLimit[n^2 ln(n*tan[1/n]), n -> \[Infinity]]. Èçͼ¡£ÒªÇó²»ÄÜÓÃÌ©ÀÕÕ¹¿ª×ö¡£

ÇóÒ»¸ö¼«ÏÞ¡£
microMsg.1449233713372.jpg
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xmcchenchen

гæ (СÓÐÃûÆø)

¼´ÊýÁУ¨ÀëÉ¢£©¼«ÏÞת»¯Îªº¯Êý£¨Á¬Ðø£©¼«ÏÞ¼ÆË㣬Óɺ¯Êý¼«ÏÞÍÆµ¼ÊýÁм«ÏÞ¡£ÒòΪÊýÁÐÇó¼«ÏÞÊDz»ÄÜÓÃÂ屨´ïµÄ
ÇóÒ»¸ö¼«ÏÞ¡£-1



·¢×ÔСľ³æAndroid¿Í»§¶Ë

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

13Â¥2015-12-05 10:23:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 20 ¸ö»Ø´ð

wurongjun

ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
huangbl2014: ½ð±Ò+20, ¡ï¡ï¡ïºÜÓаïÖú 2015-12-04 22:32:42
µÈ¼ÛÎÞÇîС´ú»»
tan(1/n)~1/n+1/n^3/3
n*tan(1/n)~1+1/n^2/3
ln(1+1/n^2/3)~1/n^2/3
n^2*ln(1+1/n^2/3)¡ú1/3
ÉÆ¶ñµ½Í·ÖÕÓб¨,È˼äÕýµÀÊDz×É£.
2Â¥2015-12-04 21:59:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

huangbl2014

Í­³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by wurongjun at 2015-12-04 21:59:19
µÈ¼ÛÎÞÇîС´ú»»
tan(1/n)~1/n+1/n^3/3
n*tan(1/n)~1+1/n^2/3
ln(1+1/n^2/3)~1/n^2/3
n^2*ln(1+1/n^2/3)¡ú1/3

˵ÁË£¬²»ÄÜÓÃÌ©ÀÕÕ¹¿ª¡£
3Â¥2015-12-04 22:03:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wurongjun

ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)

ÒýÓûØÌû:
3Â¥: Originally posted by huangbl2014 at 2015-12-04 22:03:28
˵ÁË£¬²»ÄÜÓÃÌ©ÀÕÕ¹¿ª¡£...

ÄãÈÏΪÄÄÀïÓÃÁËÌ©ÀÕÕ¹¿ª?
tan(1/n)~1/n+1/n^3/3Õâ¸ö¿ÉÒÔÓÃÂޱȴ﷨ÔòÖ¤Ã÷°¡!
ÉÆ¶ñµ½Í·ÖÕÓб¨,È˼äÕýµÀÊDz×É£.
4Â¥2015-12-04 22:06:52
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁÏÏà¹Ø×¨Òµ344Çóµ÷¼ÁË«·Ç¹¤¿ÆÑ§Ð£»ò¿ÎÌâ×é +9 hualkop 2026-04-12 9/450 2026-04-12 22:41 by kyle12138
[¿¼ÑÐ] 322Çóµ÷¼Á +6 123°²¿µ 2026-04-12 13/650 2026-04-12 15:51 by 123°²¿µ
[¿¼ÑÐ] 086000µ÷¼Á +6 Ê®Æßsa 2026-04-07 6/300 2026-04-12 11:05 by ´óÁ¦Ë®ÊÖÁ¦´óÎÞÇ
[¿¼ÑÐ] 305Çóµ÷¼Á +6 77Qi 2026-04-07 6/300 2026-04-12 02:30 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] Çóµ÷¼Á +6 СÄô°®Ñ§Ï° 2026-04-11 9/450 2026-04-11 21:20 by À¶ÔÆË¼Óê
[¿¼ÑÐ] µ÷¼Á +6 ÇàµÆ²»¸º 2026-04-09 6/300 2026-04-11 20:35 by dongdian1
[¿¼ÑÐ] Çóµ÷¼Á +10 Á§ÜÔÒ»¶¨Éϰ¶ 2026-04-10 10/500 2026-04-11 13:31 by 1005715100
[¿¼ÑÐ] 288Çóµ÷¼Á +15 ´úfish 2026-04-09 16/800 2026-04-11 10:26 by wwj2530616
[¿¼ÑÐ] 085402ͨÐŹ¤³Ìµ÷¼Á£¬ÓÐ4Ïîѧ¿Æ¾ºÈü¹ú½±£¨µçÈü¹ú¶þ£©£¬Ë¶Ê¿Ñо¿Éúµ÷¼Á×Ô¼öÐÅ¡£ +5 mÓÀo²»vÑÔoÆúm 2026-04-09 5/250 2026-04-11 09:33 by zhq0425
[»ù½ðÉêÇë] Óб¬ÁÏ£¬Ò»¸öÇàÄê½ÌʦÂô·¿µÃ400Íò£¬È»ºó»»ÁËÒ»¸öËÄÇàñ×Ó +9 babu2015 2026-04-08 9/450 2026-04-10 11:43 by ËÕ¶«ÆÂ¶þÊÀ
[¿¼²©] ²©Ê¿×Ô¼ö +7 ¿É¿ÉСÅÖ 2026-04-08 7/350 2026-04-10 08:28 by kimhero
[¿¼ÑÐ] ²ÄÁÏ299ר˶Çóµ÷¼Á +10 +21 2026-04-09 10/500 2026-04-09 17:34 by 1753564080
[¿¼ÑÐ] 086004 Çóµ÷¼Á 309 +7 Yin DY 2026-04-08 7/350 2026-04-09 13:59 by Delta2012
[¿¼ÑÐ] »úе¹¤³Ì264ѧ˶Çóµ÷¼Á +3 qiushangxian 2026-04-06 3/150 2026-04-08 01:53 by Linzejun
[¿¼ÑÐ] 259Çóµ÷¼Á +5 ¾Í°®³ÔÍÁ¶¹Ñ½Ñ½ 2026-04-07 5/250 2026-04-07 22:40 by JourneyLucky
[¿¼ÑÐ] 338Çóµ÷¼Á +5 СÖíºìÉ« 678 2026-04-06 6/300 2026-04-07 21:18 by ÇÇßÕßÕßÕ
[¿¼ÑÐ] µ÷¼Á +4 mcbbc 2026-04-06 5/250 2026-04-07 12:33 by upczlm1989
[¿¼ÑÐ] 327¿¼Ñе÷¼ÁÍÆ¼ö +6 ÎØÎØÎØÎØÄØ 2026-04-06 6/300 2026-04-06 21:39 by à£à£à£0119
[¿¼ÑÐ] ÇóÖú +3 ¿¨¿¨¶«88 2026-04-06 4/200 2026-04-06 15:28 by going home
[¿¼ÑÐ] 362Çóµ÷¼ÁÒ»Ö¾Ô¸ÖйúʯÓÍ´óѧ +4 ÎÒÒª¿¼´ó 2026-04-06 6/300 2026-04-06 14:11 by Î޼ʵIJÝÔ­
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û