Re: [極限]
※ 引述《Qmmm (Q蛆蛆)》之銘言:
: n
: l i m n
: ( ------ )^(1/n)
: n->∞ n!
: 請問這題該怎麼算?這到底算什麼型呢?(~∞/∞)???
n
n 1/n
lim ( -------- )
n->∞ n!
1 n!
- --- ㏑(--------)
n n
n
= lim e
n->∞
1 n!
- lim --- ㏑(--------)
n->∞ n n
= n
e
1 1 2 n
- lim ---(㏑--- + ㏑--- + ... + ㏑---)
n->∞ n n n n
=
e
1
- ∫ ㏑x dx
= 0
e
= e
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.112.243.42
※ 編輯: yuyumagic424 來自: 140.112.243.42 (09/24 03:48)
推
09/24 07:53, , 1F
09/24 07:53, 1F
推
09/24 21:14, , 2F
09/24 21:14, 2F
推
09/24 21:29, , 3F
09/24 21:29, 3F
→
09/24 21:49, , 4F
09/24 21:49, 4F
→
09/24 21:50, , 5F
09/24 21:50, 5F
→
09/24 21:50, , 6F
09/24 21:50, 6F
推
09/24 22:58, , 7F
09/24 22:58, 7F
討論串 (同標題文章)