tabogirl910 2010-7-28 12:13 AM
pure 1998
2 ln 2 -1 = ln 4/e
來自咩公式???
[[i] 本帖最後由 tabogirl910 於 2010-7-28 09:54 AM 編輯 [/i]]
手槍仔仔 2010-7-28 12:16 AM
2ln2 - 1 = ln(2^2) - lne = ln4 - lne = ln4/e
Simon 2010-7-28 12:19 AM
正如log咁
log2^x = x log2
tabogirl910 2010-7-28 09:44 AM
icic ...thx a lot
tabogirl910 2010-7-28 09:51 AM
同一條數
[[i] 本帖最後由 tabogirl910 於 2010-7-28 09:54 AM 編輯 [/i]]
tabogirl910 2010-7-28 09:53 AM
接上圖同一條
唔明括住果度
36661124 2010-7-28 10:05 AM
[quote]原帖由 [i]tabogirl910[/i] 於 2010-7-28 09:53 AM 發表 [url=http://lsforum.net/board/redirect.php?goto=findpost&pid=2266652&ptid=145774][img]http://lsforum.net/board/images/common/back.gif[/img][/url]
接上圖同一條
唔明括住果度 [/quote]
1. ln(a^)b=b(lna)
2. ln(ab)=(lna) + (lnb)
你自修ｐｕｒｅ？
[[i] 本帖最後由 36661124 於 2010-7-28 10:07 AM 編輯 [/i]]
手槍仔仔 2010-7-28 10:12 AM
[quote]原帖由 [i]tabogirl910[/i] 於 2010-7-28 09:53 AM 發表 [url=http://lsforum.net/board/redirect.php?goto=findpost&pid=2266652&ptid=145774][img]http://lsforum.net/board/images/common/back.gif[/img][/url]
接上圖同一條
唔明括住果度 [/quote]
首先將分母果個n變為 (n^n)^1/n .再將個指數1/n抽出ln出面,
最後入面得番....
[draw]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[/draw]
將佢咁樣變埋就ok =]
桃子 2010-7-28 10:34 AM
[quote]原帖由 [i]tabogirl910[/i] 於 2010-7-28 09:53 AM 發表 [url=http://lsforum.net/board/redirect.php?goto=findpost&pid=2266652&ptid=145774][img]http://lsforum.net/board/images/common/back.gif[/img][/url]
接上圖同一條
唔明括住果度 [/quote]
ln [(n+1)(n+2)...(n+n)]^(1/n) / n
=(1/n) ln {[(n+1)(n+2)...(n+n)] / n^n }
=(1/n) ln {[(n+1)/n][(n+2)/n]...[(n+n)/n]}
=(1/n) ln {[1-1/n][1-2/n]...[1-n/n]}
tabogirl910 2010-7-28 11:04 AM
我仲係唔明點樣n^n
36661124 2010-7-28 11:59 AM
[quote]原帖由 [i]tabogirl910[/i] 於 2010-7-28 11:04 AM 發表 [url=http://lsforum.net/board/redirect.php?goto=findpost&pid=2266771&ptid=145774][img]http://lsforum.net/board/images/common/back.gif[/img][/url]
我仲係唔明點樣n^n [/quote]
n^1 = n^n/n
Simon 2010-7-28 12:41 PM
[attach]28504[/attach]
peterp2509 2010-7-28 02:03 PM
奉勸樓主不如做番ce ge amaths 數先
tabogirl910 2010-7-28 05:13 PM
回覆 #13 peterp2509 的帖子
樓主要在這暑假開HIL....容讓在下問埋D LOW B 問題吧~
Simon 2010-7-28 06:42 PM
咁就盡快理解下...
peterp2509 2010-7-28 07:08 PM
回覆 #14 tabogirl910 的帖子
萬丈高樓從地起
36661124 2010-7-28 07:16 PM
[quote]原帖由 [i]tabogirl910[/i] 於 2010-7-28 05:13 PM 發表 [url=http://lsforum.net/board/redirect.php?goto=findpost&pid=2267343&ptid=145774][img]http://lsforum.net/board/images/common/back.gif[/img][/url]
樓主要在這暑假開HIL....容讓在下問埋D LOW B 問題吧~ [/quote]
升中７?
Simon 2010-7-28 07:18 PM
回覆 #17 36661124 的帖子
應該是吧...
tabogirl910 2010-7-28 07:32 PM
回覆 #17 36661124 的帖子
係..............
tabogirl910 2010-7-28 07:33 PM
回覆 #15 傑Simon 的帖子
理得ＰＵＲＥ黎又要理ＰＨＹ。。。。