josken 发表于 2006-7-8 10:54

[求助]一道富有挑战性的题目

<span style="FONT-SIZE: 5.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;"><p style="BACKGROUND: white; WORD-BREAK: break-all; TEXT-INDENT: 10.45pt;"><font size="5"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma;"><font face="Verdana" size="3">函数:<br/></font><a href="http://image.hjbbs.com/img/200607/2006070810203545683.gif" target="_blank"><font face="Verdana" size="3"><img alt="" src="http://image.hjbbs.com/img/200607/2006070810203545683.gif" border="0" dypop="按此在新窗口浏览图片"/></font></a></span></font></p><p style="BACKGROUND: white; WORD-BREAK: break-all; TEXT-INDENT: 10.45pt;"><font size="5"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma;">其中:a,b,c为常数<br/><font face="Verdana" size="3">1)求其极值点和函数的极值<br/>2)求证:<br/></font><a href="http://image.hjbbs.com/img/200607/2006070810252809777.gif" target="_blank"><img alt="" src="http://image.hjbbs.com/img/200607/2006070810252809777.gif" border="0" dypop="按此在新窗口浏览图片"/></a>&nbsp;其中r为正常数(注意这一问中不是等于,是约等于)</span></font></p></span>

shny6688 发表于 2006-9-19 10:24

看了,研究一下

aqmeng 发表于 2006-10-31 09:15

没几个点点的穷苦人飘过……不会不会

dds996 发表于 2006-11-2 11:43

帮不了你,不好意思了,

dongfeng141 发表于 2006-12-7 19:28

<p>有点难</p><p></p>

luygn 发表于 2006-12-9 20:53

记下了
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