Znn3bq.jpeg
²é¿´: 1348  |  »Ø¸´: 6
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

tshgth

гæ (СÓÐÃûÆø)

[ÇóÖú] Çë½ÌÒ»¸ö»ý·ÖµÄÎÊÌâ ÒÑÓÐ2È˲ÎÓë

Çë½Ì´ó¼Ò£¬Õâ¸ö»ý·ÖÔõô¸ã³öÀ´

Çë½ÌÒ»¸ö»ý·ÖµÄÎÊÌâ
ͼƬ3.png

[ Last edited by tshgth on 2013-12-20 at 21:15 ]
»Ø¸´´ËÂ¥

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

zjl20111015

ľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by laohuajiang at 2013-12-20 22:27:50
1/x *log(1+ax)dx
=log(1+ax)d log(x)
=1/a *log(1+ax)d log(ax)
=1/a *log(1+ax)d log(1+ax)

=1/(2a)*(log(1+ax))^2

Ò»Ç󵼾Ͳ»¶Ô£¬Öм䲻ÊÇÄÇô»»ÔªµÄ£¬»¹ÓÐlogÒ»°ã±íʾÊÇ10Ϊµ×

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
Believe in yourself.
4Â¥2013-12-21 09:04:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 7 ¸ö»Ø´ð

´óºÓ±±È¥

½ð³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ºÜ¼òµ¥£¬´Õ΢·Ö·¨d(InX)=1/x
2Â¥2013-12-20 22:14:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

laohuajiang

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

ÀÏ»¨½³

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
tshgth: ½ð±Ò+5 2013-12-20 23:36:20
1/x *log(1+ax)dx
=log(1+ax)d log(x)
=1/a *log(1+ax)d log(ax)
=1/a *log(1+ax)d log(1+ax)

=1/(2a)*(log(1+ax))^2
¾²×ø³£Ë¼×Ô¼º¹ý,ÏÐ̸ĪÂÛËûÈË·Ç!---ÀÏ»¨½³(ÀÏ·ÇÀÏ-´º²ÐÒâáÝáå;»¨·Ç»¨-·¼×ÙÃÙ·±»ª,½³·Ç½³-×îÃÀÄѵúýÍ¿!)
3Â¥2013-12-20 22:27:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zjl20111015

ľ³æ (ÖøÃûдÊÖ)

ÕâÌâÓ¦¸ÃÊÇÒªÇ󶨻ý·Ö°É

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
Believe in yourself.
5Â¥2013-12-21 09:10:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 22408 352·ÖÇóµ÷¼Á +5 ŬÁ¦µÄÏÄÄ© 2026-04-09 5/250 2026-04-12 19:17 by wj165256
[¿¼ÑÐ] 2±¾£¬³õÊÔ303£¬0860Çóµ÷¼Á +6 floriea 2026-04-12 8/400 2026-04-12 18:13 by zhouxiaoyu
[˶²©¼ÒÔ°] ÐÂÒ»´úµç×ÓÐÅÏ¢294Çóµ÷¼Á ²»ÌôѧУ +7 Ytyt11 2026-04-09 8/400 2026-04-12 16:57 by ajpv·çÀ×
[¿¼ÑÐ] 316Çóµ÷¼Á +5 Ïë¶ÁÑо¿Éú( ?¡ß 2026-04-07 5/250 2026-04-12 00:43 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ҩѧר˶µ÷¼Á +8 ? һ·Éú?»¨? 2026-04-10 10/500 2026-04-11 21:21 by zhouxiaoyu
[¿¼ÑÐ] 11408¡£358Çóµ÷¼Á +3 TMYzds 2026-04-07 3/150 2026-04-11 17:10 by µªÆøÆøÆø
[¿¼ÑÐ] 296Çóµ÷¼Á +6 Íô£¡£¿£¡ 2026-04-09 6/300 2026-04-11 11:25 by zhq0425
[¿¼ÑÐ] »úеר˶270Çóµ÷¼Á£¬½ÓÊÜ¿çרҵ +12 ÀÏʦ¿´¿´ÎÒ°Éaba 2026-04-09 14/700 2026-04-11 10:21 by laoshidan
[¿¼ÑÐ] 22408µ÷¼ÁÇóÖú +7 ì±12 2026-04-09 9/450 2026-04-11 09:23 by ŶŶ123
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬»¯Ñ§Ñ§Ë¶£¬310·Ö£¬±¾¿ÆÖصãË«·Ç£¬Çóµ÷¼Á +17 ŬÁ¦·Ü¶·112 2026-04-06 20/1000 2026-04-11 00:31 by wangjihu
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬»¯Ñ§310·Ö£¬±¾¿ÆÖصãË«·Ç£¬Çóµ÷¼Á +23 ŬÁ¦·Ü¶·112 2026-04-08 23/1150 2026-04-10 23:29 by 314126402
[¿¼ÑÐ] ²ÄÁÏÀà284µ÷¼Á +40 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 48/2400 2026-04-10 23:28 by 314126402
[¿¼ÑÐ] ½­ËÕ´óѧ ¹¤¿Æµ÷¼Á ¼ñ© +3 Evan_Liu 2026-04-09 5/250 2026-04-10 10:22 by Evan_Liu
[¿¼ÑÐ] Ò»Ö¾Ô¸Öйú¿ÆÑ§ÔºÉϺ£ÓлúËù£¬Óлú»¯Ñ§356·ÖÕÒµ÷¼Á +11 Nadiums 2026-04-09 11/550 2026-04-09 18:04 by lijunpoly
[¿¼ÑÐ] Çó»úеר˶297µÚ¶þÅúµ÷¼Á +5 ʰÆâ12¡£ 2026-04-08 5/250 2026-04-09 16:43 by Ôʵ±ÊʶÈ
[¿¼ÑÐ] 270Çóµ÷¼Á +3 031127 2026-04-06 4/200 2026-04-08 21:00 by ÄæË®³Ë·ç
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬»¯Ñ§Ñ§Ë¶£¬310·Ö£¬±¾¿ÆÖصãË«·Ç£¬Çóµ÷¼Á +10 ŬÁ¦·Ü¶·112 2026-04-07 10/500 2026-04-08 15:01 by screening
[¿¼ÑÐ] Çó¿¼ÑвÄÁϵ÷¼Á +3 ²Ä»¯Àî¿É 2026-04-07 3/150 2026-04-08 00:21 by JourneyLucky
[¿¼ÑÐ] 22408 µ÷¼Á²ÄÁÏ +7 ÎÒ½Ðez 2026-04-06 8/400 2026-04-07 17:12 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 285Çóµ÷¼Á +5 mapmath 2026-04-06 6/300 2026-04-06 17:18 by À¶ÔÆË¼Óê
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û